This is best approached from Metaline Falls. Going north on highway 31, watch for milepost 13 and just beyond it turn left on Boundary road, road #2995. Go 3.7 miles to road #350 and turn onto it. It'll pass through a powerline corridor and stay on this road for 7 1/2 miles to the end of the road and the TH. This is a narrow and pretty rough road, suitable for high clearance 2WD vehicles but not for a low slung street rod. The road is getting worse each year and you might want to carry a pair of loppers for pruning the encroaching bushes. Parking is suitable for several vehicles at the TH and you could camp there if necessary.
The TH is at 5125 feet and is pretty much a straightforward trail most of the way. It is 4 miles one way and I'd allow for about 2 1/2 to 3 hours to climb the almost two thousand feet of elevation that you will gain in order to stand on the summit. The trail is numbered by the FS as #502 but the locals refer to it as the Flume trail. Near the summit, just a few hundred yards shy of it, this trail meets up with #117 (described on the main page), coming from the other side of the mountain.
Summary: Round trip 8 miles Elevation gain 1900 feet with a few ups and downs and a few switchbacks. Trail condition is good.
Good hiking shoes and bring your own water as there is none en route.
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