Special Event Permit: theMAMMOTH
Summary
SCH Number
2025090461
Public Agency
Mono County
Document Title
Special Event Permit: theMAMMOTH
Document Type
NOE - Notice of Exemption
Received
Posted
9/10/2025
Document Description
theMAMMOTH is a 214-mile endurance race. The course begins and ends in Mammoth Lakes and circles the Long Valley Caldera in a counter-clockwise direction. The Board of Supervisors authorized overnight operations for the special event.
Contact Information
Name
Aaron M. Washco
Agency Name
Mono County
Job Title
Risk Manager
Contact Types
Lead/Public Agency
Address
Phone
Email
Location
Cities
Mammoth Lakes, unincorporated area
Counties
Mono
Regions
Countywide, Unincorporated
State Highways
158, 203
Other Location Info
Please see https://caltopo.com/m/J5NQV for course map.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15304
Reasons for Exemption
There is negligible or no expansion of existing use as the race course follows existing roads and trails which are open to public access and recreational use. The endurance race is also minor and temporary and is expected to have negligible ro no permanent effects on the environment.
County Clerk
Mono
Attachments
Notice of Exemption
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