S5494 - Ronas Hill

HU305834, LR1 & LR3.

 

HISTORY

Pillar completed 27th May 1949 costing exactly £40. Computed as primary triangulation station PP462 within Figure 6 of the OSGB36 retriangulation network during 1951. This station was also used for the reconnaissance of secondary block HU46 (Shetlands), and levelled to second class precision during 1961. This pillar station was last maintained by the Ordnance Survey in May 1980.

 

SITE VISIT

Overall approach from east. Parked at top of road on Collafirth Hill by masts at HU334835. This road can be driven by car and seems to be open to public, information board at top. Route is WNW via Mid Field, west onto bealach and beeline southwest up Ronas Hill to its summit. Highest point on the Shetland Islands. Rocky plateau but easy underfoot. Stone built pillar within wind shelter in fair condition. Spider has replacement OS centre cap with raised small narrow letters. Flush bracket faces ENE, ~59°. Vented through SW sight hole. Full 360° panoramic view includes Foula.

 

Photographed: 23rd June 2015, GRP.

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Interactive index: Google My Maps

 

Map: Trig Pillars on OS Landranger 1

 

Map: Trig Pillars on OS Landranger 3

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Neighbouring Triangulation Pillars

 

10578 - White Grunafirth : 2.51 miles to the southwest.

 

10440 - The Faither : 3.35 miles to the west.

 

S9546 - Hill Of Ollaberry : 3.70 miles to the east.

 

10513 - Skelberry : 4.16 miles to the northeast.

 

10464 - Hamars Of Burraland : 5.15 miles to the south.

 

10444 - Lanchestoo : 6.66 miles to the northeast.

 

10455 - Esha Ness : 6.79 miles to the southwest.

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Done