From the record
“The East Longs Peak Trail, Longs Peak Trail, Keyhole Route or Shelf Trail in Rocky Mountain National Park is listed on the National Register of Historic Places for its significance in the early recreational development of the park. The trail was laid out in 1878 by Reverend Elkanah Lamb, long before the designation of the region as parkland.”
Wikipedia article East Longs Peak Trail, CC BY-SA 4.0.
One of 110 National Register listings published here for Larimer County · listed in 2007 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service



