Mammoth TUFF

September 16 2023
Mammoth Lakes, California, USA
Unconfirmed
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Distances: 45, 100 miles
Difficulty: Extreme terrain with frequent steep hills and long sustained climb

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.

Tuff (tuf) is a general term for all consolidated pyroclastic, volcanic rocks.

The name, Mammoth TUFF, is a nod to the Long Valley Caldera and the volcanic stone that defines ‘gravel’ in the area. The caldera was formed about 760,000 years ago in a volcanic eruption from which the magma still underlies it, heating underground water and fueling hot springs the event will ride by. The short course is around 45 miles with 2,000 feet of climbing and will circle the famous caldera. The long course is around 100 miles with 8,000 feet of elevation gain and travels through the Volcanic Tableland formed by the Long Valley Caldera. Prepare to be transported back in time on an old stagecoach route used by miners and even further back past Native American petroglyphs left by ancestors of the Paiute-Shoshone tribe.

Our great country has taken liberty to protect the public lands throughout the Eastern Sierra and preserve the vast playground for future generations of explorers, naturalists, and visitors. Because of this, 10% of the entry fee will go directly back to the land. As riders wind through wide open roads on seemingly forgotten land, they will take pride in knowing they are giving back to the U.S. Forest Service and Bureau of Land Management. “This land is our land,” after all.

Mammoth TUFF

 

 
Start Located At: Mammoth Lakes, California
 
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