Summary at a glance
Devils Postpile National Monument is listed as National Monument in CA in the checked-in NPS identity snapshot. Established in 1911 by presidential proclamation, Devils Postpile National Monument protects and preserves the Devils Postpile formation, the 101-foot high Rainbow Falls, and pristine mountain scenery. The formation is a rare sight in the geologic world and ranks as one of the world's finest examples of columnar basalt. Its' columns tower up to 60 feet and display a striking symmetry. Official NPS page Data snapshot: October 27, 2026: https://www.nps.gov/depo/index.htm.
Devils Postpile National Monument is listed as a National Monument in the checked-in NPS identity snapshot. 5 source cards on this page. Data snapshot: October 27, 2026. Listed month windows: April, May, and October.
Month-by-month
Month windows on this page: April, May, and October listed as the primary window; July, August, and June listed as peak months; October, April, and May listed as lower-crowd months.
Primary Window
Listed primary window: April, May, and October.
Peak months
Listed peak months: July, August, and June.
Lower-crowd months
Listed lower-crowd months: October, April, and May.
Getting there
Use the closest major airport and a regional drive plan for Devils Postpile.
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.
SERPRadio origin links provide flight-research entry points without replacing local route planning.
Clock, compare, and listen
Season and now
Twelve-month planning is modeled from the published seasonal profile. The current hand stays unavailable until sourced alerts, hours, events, roads, and weather are fresh.
- Current hand
- Not available
Three listening lanes
Official NPS audio: Not provided for this snapshot.
Synthetic browser audio, never a field recording or live observation.
Jamcorder: Shared station.
| Month | Visitability | Crowd pressure |
|---|---|---|
| January | 51 | 16 |
| February | 54 | 18 |
| March | 58 | 28 |
| April | 62 | 42 |
| May | 62 | 60 |
| June | 58 | 82 |
| July | 52 | 94 |
| August | 52 | 92 |
| September | 61 | 70 |
| October | 62 | 44 |
| November | 57 | 24 |
| December | 52 | 16 |
The cue is a browser-generated composition, not a field recording. How NPS Sounds modeled audio works.
Methodology
This page uses the checked-in NPS identity snapshot for Devils Postpile National Monument, the 5 source cards below, and the figures listed above. Data snapshot: October 27, 2026. Read the NPS Sounds methodology and about NPS Sounds for how pages are assembled.
- Data snapshot: October 27, 2026
- Source cards: 5
Data Behind This Reading
Source provenance
NPS identity
highDevils Postpile National Monument is identified as National Monument with NPS code depo.
SourceNPS operations and access
highOfficial NPS page for Devils Postpile, Data snapshot: October 27, 2026: https://www.nps.gov/depo/index.htm.
SourceWeather signal
mediumDevils Postpile coordinates 37.6152564, -119.0873903 map to the NWS points URL. Data snapshot: October 27, 2026.
SourceActivities and visit modes
mediumDevils Postpile NPS snapshot lists activities including Astronomy, Stargazing, Biking, and Road Biking.
SourceHow this page is assembled
highplace page source cards come from the data snapshot October 27, 2026.
Source