Devils Postpile National Monument

Protected park · CA, USA

Devils Postpile National Monument in CA, USA. Operated by National Park Service.

Usual hours

From 56 published days, 2026-10-19 to 2026-12-13; published by the park.

Entrance / day-use fee applies.

This park's official page lists: Store / concessions.

This park's official page lists: Visitor center.

Limits: Reserved wilderness permits must be picked up at an Inyo National Forest Ranger Station or Visitor Center
Limits: Yes, service dogs are legally permitted anywhere in a park that visitors can go
⚠ Park closure: Reds Meadow Road Access Restrictions in 2026: Reds Meadow Road remains under construction in 2026 and will be closed Monday through Friday through November 1 (closed for the season starting November 2).
Getting there: Shuttle Bus: Most visitors must park at the Mammoth Mountain Ski Area and use the mandatory shuttle. The shuttle bus operates from mid-June through the Wednesday after Labor Day. By car: From U.S. Highway 395, drive 10 miles west on S.R. 203 to Minaret Vista and then another 8 miles on a paved, steep mountain road. Please note that this road is single lane for approximately 3 miles. By plane: The closest commercial airport is the Mammoth Lakes/Yosemite Airport (MMH), located on U.S. Highway 395.
Weather & when to go: Devils Postpile National Monument is located at 7,560 feet above sea level just west of the Sierra Nevada crest. As such, it experiences typical summer weather in the Sierras. Afternoon thunderstorms are possible in July and August. Daytime temperatures can range from the mid-70s to to mid-80s (degrees Fahrenheit). Evening temperatures can drop into the low 40s (and even the low 30s in the months of September and October).