Pumice Canyon (FR 03S41) in CA -- Camping Rules & Access

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Pumice Canyon (FR 03S41) in CA

Road corridorInyo NF, Mammoth Ranger District

5.8 mi from Mammoth Lakes

Maps 7,795 ft

Dispersed camping generally allowed

U.S. Forest Service default; a local order can restrict it.

Inyo National Forest ↗

Stay limit: 14 consecutive days · 28 days total per calendar year · then move 10 mi
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Road Access

Difficult
  • All 11.8 miles of this road are maintained for high-clearance vehicles, dirt the whole way.
  • Near Long Valley Caldera.
  • Estimated climb: 1,400 ft over 11.8 miles through 5 switchbacks, with sustained grades near 14% and pitches to 29%.
  • Terrain estimates show roadside drops of up to ~100 ft on the downhill side.
  • Dead-end road; turnaround space is not mapped.

Setting

Fairly secluded
  • Well separated here, with the nearest through road 1.6 miles off.
  • Gilbert Peak stands 821 ft above the map pin, 1.2 miles north.

Rules

  • Within a 10-mile radius of any undeveloped campsite for a period longer than 14 consecutive days… Anywhere within the Inyo National Forest for more than 28 total days during a calendar year.
  • Camping rules
  • Current fire orders

Climate averages

October normals 27–61°F, 1.3″ precipitation. Monthly averages, PRISM 1991–2020.

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