--- title: "Mammoth Mountain" key: mammoth-mountain url: https://skiamo.app/resorts/mammoth-mountain language: en updated: 2026-09-24 latitude: 37.6393484 longitude: -119.02093819999999 --- # Mammoth Mountain > A volcano in California's Eastern Sierra, known for big snow years and a season that often runs deep into spring. - **Country:** United States - **OpenStreetMap:** ## Find an instructor Instructors coming soon. [Find instructors at Mammoth Mountain](https://skiamo.app/find?venue=mammoth-mountain) ## Mapped runs · OpenSkiData 117 runs. Difficulty mix by mapped length: novice 14%, easy 5%, intermediate 64%, advanced 17%. Mapped from OpenStreetMap data, not official piste figures. OpenStreetMap 2026-09-16. © OpenStreetMap contributors, ODbL 1.0, via OpenSkiData: ## Mammoth Mountain weather and snow forecast Mountain weather for Mammoth Mountain: base and upper-mountain temperatures, wind and gusts, estimated new snow for the next 24 and 72 hours, and the week ahead. Forecast data from MET Norway, refreshed through the day. The live forecast loads in the Skiamo app. Forecast data: MET Norway · presented by Skiamo, CC BY 4.0. --- HTML: · All resorts: ·