r/Mammoth↗
The Mammoth Mountain Subreddit
A community for sharing updates, photos, questions, and information about Mammoth Mountain, Mammoth Lakes, and the Eastern Sierra. Whether you live in the region or are planning a trip, you’re welcome to contribute weather reports, trail and snow conditions, road updates, photos, and trip reports. This is a space for respectful discussion and helpful information about life and adventures in the Mammoth and Eastern Sierra area — year-round.
27k subscribers67 posts / mo in Sep 2026 (incl. ~6% by known bots)53 authors / mosince 2012
r/Mammoth has 27k members (+38% over the last 12 months). It gets about 67 posts a month from 53 people. Top topics: Snow Conditions, Road Closures and Projects and Winter Driving Tips.
When to post on r/Mammoth
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How r/Mammoth has grown
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Monthly activity
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Topics and brands on r/Mammoth
Top topics
Share of the subreddit's posts
- Snow Conditions4.7%
- Road Closures and Projects1.8%
- Winter Driving Tips1.6%
- Ski Resorts1.6%
- Ski Resorts in North America1.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
Posting rules for r/Mammoth
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Who posts on r/Mammoth
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Subreddits like r/Mammoth
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Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research