Established with a 10' pole L-4 tower in 1945 and staffed until 1963, it was soon thereafter torn down. A new lookout was proposed about 1990, the end result a frame cabin atop a 10' concrete base, built in the mid-1990's. The roof was blown off in late 2008, necessitating repairs. It is staffed in the summer.
Helena National Forest
6 miles north of Lincoln
Lewis & Clark County, Montana
Elevation 8270'
USGS Benchmark ST0519
USGS Benchmark ST0520

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Stonewall Mtn. L.O. Stonewall Mtn. L.O. Stonewall Mtn. in 2014
Photos courtesy the Helena NF, Lois Crepeau, and Luke Channer