Castle Gate Monument

Standing 150 feet above the Price River, Castle Gate is a rock monument composed of Castlegate sandstone, a fine to coarse-grained, quartzose sandstone, including conglomerate layers.

 

Castle Gate was deposited by ancient braided streams during the Cretaceous period, approximately 145 to 66 million years ago.

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Uploaded on July 11, 2025
Taken on July 1, 2025