three latest newsletters:

Oct 11, 2022

Survey and Nov Camps

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Sept 27, 2022

Merch and Updates

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Sept 19, 2022

Results and Photos

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2022 Results

2022 Photos

It's more than a word. It's an Adventure...

Mammoth TUFF is an adventure through the hills of the Eastern Sierra. From the iconic town of Mammoth Lakes and rolling through the TUFF terrain of the Long Valley Caldera.

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Mammoth Tuff: in partnership with Visit Mammoth

#noSmallAdventure





*Photos Courtesy of @dakotasnider