Bozeman: Potosi Peak Loop
A stout, 15.4-mile off-trail loop to a handful of peaks in the Tobacco Roots finishes off at steamy hot springs perfect for relaxing sore muscles.
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Trail Facts
- Distance: 23.4
Waypoints
PPK014
Location: 45.5841293334961, -111.899398803711
Drop gear @ car; decompress @ Potosi Hot Springs 1 mi. N on Trail #308. Find springs (104?110°F) L of trail
PPK008
Location: 45.5880813598633, -111.980201721191
Potosi Peak (10,128 ft.): Peer out to a sea of Big Sky ranges towering over fl atlands; follow easy contour lines W
PPK011
Location: 45.5899085998535, -112.009399414062
Hop onto newly graded mine road
PPK012
Location: 45.5843391418457, -112.00659942627
Old miner?s cabin; nice place to rest and refuel
PPK007
Location: 45.5846214294434, -111.967903137207
Last unnamed peak is above treeline; head straight for Potosi Peak
PPK001
Location: 45.5765800476074, -111.90779876709
Trailhead #303: Zigzag up stiff switchbacks on the Potosi Trail
PPK002
Location: 45.5798797607422, -111.917602539062
Trail nears giant plateau on fi nal switchback; bear W off trail, head toward shallower ridge that curls up the mountain; stay above dry creekbed
PPK005
Location: 45.5734100341797, -111.950698852539
Climb over 1st of 3 nameless peaks. Wispy prairie to N; to E, see snow in shady couloirs of Tobacco Root range
PPK003
Location: 45.5739212036133, -111.931396484375
Follow well-worn game trail made by elk, deer, and black bears
PPK004
Location: 45.5723609924316, -111.947799682617
Hit main spine, then head W
PPK006
Location: 45.577709197998, -111.958801269531
Rest out of the wind in this convenient col
PPK009
Location: 45.5881309509277, -111.990699768066
Saddle between Potosi Peak and Horse Mtn.; bear R
PPK010
Location: 45.5922088623047, -112.005302429199
Horse Mtn.: Lakes shimmer below. Turn S, follow game trail to saddle
PPK013
Location: 45.5816383361816, -112.001403808594
Continue on road 5.9 mi. past gold/silver prospects to trailhead