From the record
“The Arrowhead Lodge, at 34500 Poudre Canyon Hwy., Roosevelt National Forest, in Larimer County, Colorado, served by the post office in unincorporated Bellvue, Colorado, was a resort camp which was built in 1931. It was listed on the National Register of Historic Places in 1992.”
Wikipedia article Arrowhead Lodge, CC BY-SA 4.0.
One of 110 National Register listings published here for Larimer County · listed in 1992 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service