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This is Craig Pass in Yellowstone National Park. The Craig Pass Bridge fords Isa Lake. It is also the Continental Divide. It's a unique lake and the only natural lake in the world to flow into two oceans. It flows into the Atlantic and Pacific Ocean. One other lake does this but it is a manmade lake. Isa Lake when the snow melts drains in two directions for the spring runoff. #CraigPass #YellowstoneNationalPark #NPS #IsaLake #See #lac #Wyoming #snow #Schnee #neige #雪 #pont #Brücke #橋 #ContinentalDivide #mountain #Berg #montagne #山 #UNESCO

Craig Pass is on Rte. 191 in between Old Faithful and Grant Village. It's also passes over the Continental Divide. There are several places in Yellowstone that do so. This one is at 8,262 feet. Isa Lake is seen to the right and passes under the bridge here. I think it's the only natural lake in the world that flows to two different oceans. Yellowstone National Park is a UNESCO World Heritage Site. #NPS #YellowstoneNationalPark #CraigPass #ContinentalDivide #Wyoming

Trees are reflected on the surface of Isa Lake on a cold autumn afternoon in Yellowstone National Park in Teton County, Wyoming. Isa Lake is believed to be one of few natural lakes in the world which drains to two different oceans. The east side of the lake drains by way of the Lewis River to the Pacific Ocean and the west side of the lake drains by way of the Firehole River to the Atlantic Ocean.

Water lilies suspended on the frozen surface of Isa Lake on a cold autumn afternoon in Yellowstone National Park in Teton County, Wyoming. Isa Lake is believed to be the only natural lake in the world which drains to two different oceans. The east side of the lake drains by way of the Lewis River to the Pacific Ocean and the west side of the lake drains by way of the Firehole River to the Atlantic Ocean.

Yellowstone National Park, never know what the weather will do, especially at 8,262 feet. Summer!

Caption on slide: "Shoshone Point"... Underwood & Underwood, No. 6267. This slide was purchased by Henry Spallholz while on his auto trip to the west coast and back in the summer of 1919. It was taken from exactly the same point as my previously posted image, but possibly ten to 15 years previously. He bought a number of Underwood & Underwood lantern slides, as well as several Asahel Curtis colored slides on this trip. Much more clearly visible than in the B&W image posted previously, the Grand Tetons, 50 miles away, stand out on the horizon.

Yellowstone National Park, never know what the weather will do, especially at 8,262 feet. Summer!

During July yellow pond lilies fill Isa Lake near Grant Pass in Yellowstone National Park, Wyoming. Isa Lake is perched atop one of 2 crossing of the Continental Divide that the Craig Pass Highway makes between West Thumb and Fishing Bridge. The little lake is covered with ice most of the year but in the summer it is filled with yellow waterlilies (Nuphar polysepalum). Isa lake is unusual in that that it has 2 outlets. One flows out on one side and goes to the Snake River tributaries and eventually to the Pacific while the outlet on the other side sends water to the Firehole River drainage and with time to the Mississippi and on to the Gulf of Mexico/ Atlantic. Even more unusual is the the configuration of the drainage. Because the local Divide runs roughly east-west at Isa's location, the east side drains to the Pacific and the west side of the lake drains to the Atlantic. That is the reverse of what one would expect.

 

The yellow water lily is also known as yellow pond lily, Indian pond lily, cow lily and spatterdock. I found some confusion when I tired to look up the scientific name of the yellow pond lily found in Yellowstone. The different species and subspecies names seemed to be being applied to same plant depending on the reference. The website ZipcodeZoo.com had the explanation: "The taxonomy of the genus is problematic. E. O. Beal (1956) departed dramatically from previous North American treatments in recognizing a single polymorphic species, Nuphar lutea (name of European origin ), with several subspecies formerly treated as species. Subsequent research (C. E. DePoe and E. O. Beal 1969; E. O. Beal and R. M. Southall 1977) has supported Beal's treatment for some southeastern subspecies, but most other taxa have not been studied as extensively. Beal's treatment, for the most part, has not been adopted in the Northeast and elsewhere in North America or in Europe. Molecular studies of Nuphar currently in progress (D. J. Padgett, pers. comm. ) have clearly shown the North American taxa to be distinct from the Eurasian Nuphar lutea; Beal's nomenclature under that taxon cannot be upheld. Continuing to treat those taxa at subspecific rank would require new combinations under Nuphar sagittifolia (Walter) Pursh, the oldest name that has hitherto been applied only in a geographically restricted sense. Until the molecular studies are completed, creating new names is premature. We therefore return to the previous treatment of the taxa as species."

 

This information was confirmed on the USDA's GRIN. A nomenclature change recognized by the USDA confirmed the name as Nuphar polysepalum.

 

zipcodezoo.com/Plants/N/Nuphar_polysepalum/

 

www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?25419

The confusion also extends to the genus nomenclature. ZipcodeZoo.com reports "Prior to conservation in its current sense, the name Nymphaea was frequently used for Nuphar. Although often treated as neuter, Nuphar was originally assigned the feminine gender".

 

So with the nomenclature issue at least partially understood, I did learn some very interesting things about the history of the yellow pond lily as a Native American food and medicine source from the US Forest Service site. "The mature seeds of the Yellow Pond Lily can be placed in a frying pan on an open fire and they will swell and pop open resembling popcorn in appearance and taste.The roots may be boiled or roasted, peeled, and then eaten as is or placed in a soup or stew. The core of the root is rich in starch. The root was also dried and ground into a meal and then made into flour by Native Americans.The Native Americans apparently had some difficulties in gathering this particular plant for food and medicine. The fleshy rootstocks grow under 4 to 5 feet of water. Some Indians would raid caches of the roots in muskrat houses, but usually they would dive for the root. Baked rootstocks of the Yellow Pond Lily were sliced and used as a poultice for sores. A decoction made by boiling rootstocks was added to bath water to treat rheumatism." (www.fs.usda.gov/detail/ipnf/learning/?cid=fsm9_019139)

 

U.S. Engineer, Hiram Chittenden, came across the unusual lake in 1891 as he was looking for a route for a new road between West Thumb and Old Faithful. He wrote a poem about the pond but it was not named until a couple years later in 1893 when Union Pacific Railroad official named it Isa for Isabel Jelke of Cincinnati, OH. Little is know about the reasons it was named after her or what her relationships were with the Railroad, Yellowstone National Park, the Lake itself or Hiram Chittenden (if any).

 

Because of the beautiful pond lilies this spot has been a favorite stop of the Jones Family over the generations and years.

Caption on slide: "Shoshone Lake from continental divide."

Mrs. Spallholz is sitting in the passenger seat of the Haynes. Out of the frame, Walter and Ernie explore while Mr. Spallholz takes the photo. The view is to the south over Shoshone Lake. The Grand Tetons, 50 miles away, are barely visible as an extremely faint smudge on the horizon at the left.

 

This image is from a scan of the original 3.25" x 4" glass lantern slide, part of a collection of photographs taken by Henry A. Spallholz, and his wife Lizzie, in the summer of 1919. He was the manager of the Manhattan Shirt Company in Salem, NY at the time, and took his family on a drive to the west coast and back in a Haynes automobile, possibly a Haynes “Light Six". He was careful to label each image, something every photographer should do. All the photos of the trip were taken with two cameras, a Kodak 3A Autographic and a 3A Graflex. They both used the same "post card" sized 3A film ( 3 1/4" x 5 1/2"). Each camera appears in a few of his trip images.

During July yellow pond lilies fill Isa Lake near Grant Pass in Yellowstone National Park, Wyoming. Isa Lake is perched atop one of 2 crossing of the Continental Divide that the Craig Pass Highway makes between West Thumb and Fishing Bridge. The little lake is covered with ice most of the year but in the summer it is filled with yellow waterlilies (Nuphar polysepalum). Isa lake is unusual in that that it has 2 outlets. One flows out on one side and goes to the Snake River tributaries and eventually to the Pacific while the outlet on the other side sends water to the Firehole River drainage and with time to the Mississippi and on to the Gulf of Mexico/ Atlantic. Even more unusual is the the configuration of the drainage. Because the local Divide runs roughly east-west at Isa's location, the east side drains to the Pacific and the west side of the lake drains to the Atlantic. That is the reverse of what one would expect.

 

The yellow water lily is also known as yellow pond lily, Indian pond lily, cow lily and spatterdock. I found some confusion when I tired to look up the scientific name of the yellow pond lily found in Yellowstone. The different species and subspecies names seemed to be being applied to same plant depending on the reference. The website ZipcodeZoo.com had the explanation: "The taxonomy of the genus is problematic. E. O. Beal (1956) departed dramatically from previous North American treatments in recognizing a single polymorphic species, Nuphar lutea (name of European origin ), with several subspecies formerly treated as species. Subsequent research (C. E. DePoe and E. O. Beal 1969; E. O. Beal and R. M. Southall 1977) has supported Beal's treatment for some southeastern subspecies, but most other taxa have not been studied as extensively. Beal's treatment, for the most part, has not been adopted in the Northeast and elsewhere in North America or in Europe. Molecular studies of Nuphar currently in progress (D. J. Padgett, pers. comm. ) have clearly shown the North American taxa to be distinct from the Eurasian Nuphar lutea; Beal's nomenclature under that taxon cannot be upheld. Continuing to treat those taxa at subspecific rank would require new combinations under Nuphar sagittifolia (Walter) Pursh, the oldest name that has hitherto been applied only in a geographically restricted sense. Until the molecular studies are completed, creating new names is premature. We therefore return to the previous treatment of the taxa as species."

 

This information was confirmed on the USDA's GRIN. A nomenclature change recognized by the USDA confirmed the name as Nuphar polysepalum.

 

zipcodezoo.com/Plants/N/Nuphar_polysepalum/

 

www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?25419

The confusion also extends to the genus nomenclature. ZipcodeZoo.com reports "Prior to conservation in its current sense, the name Nymphaea was frequently used for Nuphar. Although often treated as neuter, Nuphar was originally assigned the feminine gender".

 

So with the nomenclature issue at least partially understood, I did learn some very interesting things about the history of the yellow pond lily as a Native American food and medicine source from the US Forest Service site. "The mature seeds of the Yellow Pond Lily can be placed in a frying pan on an open fire and they will swell and pop open resembling popcorn in appearance and taste.The roots may be boiled or roasted, peeled, and then eaten as is or placed in a soup or stew. The core of the root is rich in starch. The root was also dried and ground into a meal and then made into flour by Native Americans.The Native Americans apparently had some difficulties in gathering this particular plant for food and medicine. The fleshy rootstocks grow under 4 to 5 feet of water. Some Indians would raid caches of the roots in muskrat houses, but usually they would dive for the root.Baked rootstocks of the Yellow Pond Lily were sliced and used as a poultice for sores. A decoction made by boiling rootstocks was added to bath water to treat rheumatism." (www.fs.usda.gov/detail/ipnf/learning/?cid=fsm9_019139)

 

U.S. Engineer, Hiram Chittenden, came across the unusual lake in 1891 as he was looking for a route for a new road between West Thumb and Old Faithful. He wrote a poem about the pond but it was not named until a couple years later in 1893 when Union Pacific Railroad official named it Isa for Isabel Jelke of Cincinnati, OH. Little is know about the reasons it was named after her or what her relationships were with the Railroad, Yellowstone National Park, the Lake itself or Hiram Chittenden (if any).

 

Because of the beautiful pond lilies this spot has been a favorite stop of the Jones Family over the generations and years.

Isa Lake, Craig Pass, Continental Divide, Yellowstone National Park, 05 September 2017.

Scenic spots to view along this route are: Kepler Cascades, Mallard Lake, Isa Lake, Scaup Lake, De Lacy River, De Lacy Lakes, Shoshone Lake and Craig Pass.

 

There is the gallery of 18 outstanding Flickr pictures that were taken on this Old Faithful Village to West Thumb/ Grant Village route. The gallery pictures follow this map and show some of the scenic highlights that can be viewed while traveling between these two locations.

 

The 18 Interesting and unique Yellowstone National Park pictures that follow this route can be viewed by clicking on the gallery link below.

 

View a gallery of 18 pictures taken on the Old Faithful Village to West Thumb/ Grant Village route.

 

Or you may wish to select from another of the 22 Yellowstone routes and destinations. Or, you may want to experience the four seasons of both the Yellowstone and Grand Teton National Parks. Four maps are also available.

 

All of the galleries that contain 540 Interesting and unique Yellowstone and Grand Teton National Park pictures can be accessed by clicking on the link below.

 

You may want to travel some of the 14 Yellowstone National Park routes between 8 destination locations. Or experience a Yellowstone or Grand Teton season. Review more detailed maps.

 

Enjoy.

   

Scenic spots to view along this route are: Kepler Cascades, Mallard Lake, Isa Lake, Scaup Lake, De Lacy River, De Lacy Lakes, Shoshone Lake and Craig Pass.

 

There is the gallery of 18 outstanding Flickr pictures that were taken on this Old Faithful Village to West Thumb/ Grant Village route. The gallery pictures follow this map and show some of the scenic highlights that can be viewed while traveling between these two locations.

 

The 18 Interesting and unique Yellowstone National Park pictures that follow this route can be viewed by clicking on the gallery link below.

 

View a gallery of 18 pictures taken on the Old Faithful Village to West Thumb/ Grant Village route.

 

Or you may wish to select from another of the 22 Yellowstone routes and destinations. Or, you may want to experience the four seasons of both the Yellowstone and Grand Teton National Parks. Four maps are also available.

 

All of the galleries that contain 540 Interesting and unique Yellowstone and Grand Teton National Park pictures can be accessed by clicking on the link below.

 

Tour all of Yellowstone or experience a Yellowstone or Grand Teton season. Review a map.

 

Enjoy.

 

You can view the original version of this map here.

 

Permission to use given here.

 

Scenic spots to view along this route are: Kepler Cascades, Mallard Lake, Isa Lake, Scaup Lake, De Lacy Creek, De Lacy Lakes, Shoshone Lake and Craig Pass.

 

There is the gallery of 18 outstanding Flickr pictures that were taken on this Old Faithful Village to West Thumb and Grant Village route. The gallery pictures follow a map and show some of the scenic highlights that can be viewed while traveling between these two locations.

 

The 18 Interesting and unique Yellowstone National Park pictures that follow this route can be viewed by clicking on the gallery link below.

 

View a gallery of 18 pictures taken on the Old Faithful Village to West Thumb and Grant Village route.

 

Or you may wish to select from another of the 22 Yellowstone routes and destinations. Or, you may want to experience the four seasons of both the Yellowstone and Grand Teton National Parks. Four maps are also available.

 

All of the galleries that contain 540 Interesting and unique Yellowstone and Grand Teton National Park pictures can be accessed by clicking on the link below.

 

You may want to travel some of the 14 Yellowstone National Park routes between 8 destination locations. Or experience a Yellowstone or Grand Teton season. Review more detailed maps.

  

Enjoy.

   

Isa Lake is perched atop one of 2 crossing of the Continental Divide that the Craig Pass Highway makes between West Thumb and Fishing Bridge. The liitle lake is covered with ice most of the year but in the summer it is filled with yellow pond lillies (Nuphar polysepalum). Isa lake is unusal in that that it has 2 outlets. One flows out on one side and goes to the Snake River tributatires and eventually to the Pacific while the outlet on the other which flows at high water stages sends water to the Firehole River drainage and with time to the Mississippi and on to the Gulf of Mexico/ Atlantic. Even more unusual is the the confiquration of the drainage. Because the Divide runs roughly east-west here, the east side drains to the Pacific and the west side of the lake drains to the Atlantic. That is the reverse of what one would expect.

 

U.S. Engineer, Hiram Chittenden, came across the unusal lake in1891 as he was looking for a route for a new road between West Thumb and Old Faithful. He wrote a poem about the pond but it was not named until a couple years later in 1893 when Union Pacific Railroad officals named it Isa for Isabel Jelke of Cinicinnati, OH. Little is know about the reasons it was named after her or what her relationships were with the Railroad, Yellowstone National Park, the Lake itself or Hiram Chittenden (if any).

 

Because of the beautiful pond lillies this spot has been a favorite stop of the Jones Family over the years.

  

The Continental Divide—or Great Divide—indicates where the rivers change direction.

 

Basically the Continental Divide is like the rooftop of the continent. Like on your roof at home, rain that falls on one side will run off and into the front yard while rain that falls on the other side will flow into the backyard.

 

The Continental Divide runs along mountain ridgelines—though not always the highest mountains—and divides the continent’s watersheds.

 

This is the most notable watershed of the North American continent. The mountains comprising it extend generally north-south, thus dividing the continent's principal drainage into waters flowing eastward (e.g., into Hudson Bay in Canada or the Mississippi River in the U.S.) and waters flowing westward (into the Pacific Ocean). Most of the divide runs along the crest of the Rocky Mountains, through British Columbia in Canada and through the states of Montana, Wyoming, Colorado, and New Mexico in the U.S.

 

Sources: www.nps.gov, www.answers.com

Craig Pass

 

Yellowstone National Park

Isa Lake, Craig Pass, Continental Divide, Yellowstone National Park, 05 September 2017.

Isa Lake, Craig Pass, Continental Divide, Yellowstone National Park, 05 September 2017.

Being on Craig Pass, on the Continental Divide it's believed this is the only lake on Earth that drains naturally backwards towards two oceans - the Pacific to the East side and the Atlantic to the west side to the Atlantic. This usually only occurs however after snow melt following heavy snowfall.

 

Photo taken in 2004.

Isa Lake, Craig Pass, Continental Divide, Yellowstone National Park, 05 September 2017.

Isa Lake, Craig Pass, Continental Divide, Yellowstone National Park, 05 September 2017.

Isa Lake, Craig Pass, Continental Divide, Yellowstone National Park, 05 September 2017.

Scenic spots to view along this route are: Kepler Cascades, Mallard Lake, Isa Lake, Scaup Lake, De Lacy River, De Lacy Lakes, Shoshone Lake and Craig Pass.

 

There is a gallery of 18 outstanding Flickr pictures that were taken on this Old Faithful Village to West Thumb/ Grant Village route. The gallery pictures follow a map and show some of the scenic highlights that can be viewed while traveling between these two locations.

 

The 18 Interesting and unique Yellowstone National Park pictures that follow this route can be viewed by clicking on the gallery link below.

 

View a gallery of 18 pictures taken on the Old Faithful Village to West Thumb/ Grant Village route.

 

Or select from another of the 22 Yellowstone routes and destinations galleries. Or, you may want to experience each of the four seasons at both the Yellowstone and Grand Teton National Parks. Four detailed color maps are also available.

 

By clicking on the link below, all of the 30 galleries can be accessed. They contain 540 Interesting and unique Yellowstone and Grand Teton National Park pictures.

 

Travel another of the 14 Yellowstone National Park routes between 8 destination locations. Or experience a Yellowstone or Grand Teton season. Or review detailed color maps.

  

Enjoy.

 

Craig's Pass at the continental divide, Yellowstone NP

We had about 10 inches of snow over the course of three days in June.

 

Craig Pass, the road from Old Faithful to West Thumb and Grant Village, when it was open, was really pretty.

Craig Pass, Yellowstone

snow on September 2nd at the continental divide

lily pads on Isa Lake at Craig Pass (one of 3 places you cross the Continental Divide in a small stretch of road in Yellowstone National Park)

Isa Lake, the little unimpressive lake that flows to the Mississippi and the Pacific... pretty cool stuff

The little Lake that flows to the Pac and Atlantic... thanks Continental Divide...

Yellowstone NP – travelling along US-191 (just beyond Craig Pass) first traces of snow along our route to Canyon Village. Note: there was a snow warning in effect with possible road closures.