Porphyry Peak (FR 838) in MT

Road corridorHelena-Lewis and Clark NF, Belt Creek-White Sulphur Springs Ranger District

22 mi from White Sulphur Springs

Maps 8,194 ft

Camping permission not confirmed

Miles 0.1–0.7 run through a ski area (Showdown Montana); its operator's rules may apply there, so check posted signs.

Motor-vehicle season 7/1–8/31Stay limit: 16 consecutive days · 32 days total per calendar year · then move 0.5 mi

VerizonNONE

AT&TNONE

T-MobileNONE

StarlinkGOOD

Difficult

All 1.8 miles of this road are maintained for high-clearance vehicles, dirt the whole way.
Estimated climb: 810 ft over 1.8 miles, with sustained grades near 14% and pitches to 16%.
Dead-end road; turnaround space is not mapped.

Fairly secluded

Camping or otherwise occupying a single site for over 16 consecutive days within a calendar year… Camping or otherwise occupying any number of sites over 32 cumulative days within a calendar year.
Camping rules

October normals 22–43°F, 2.9″ precipitation. Monthly averages, PRISM 1991–2020.

Porphyry Peak (FR 838) in MT -- Camping Rules & Access