Be Driven.

Safe Rides to Fall Events in Big Bear.

Fall is a Great Time to Ride Mountain Transit.

Operates Year-Round.

Real time bus tracking application available on mobile and desktop

Real Time Bus Tracking

Mobile and Desktop Apps

Transit tools for home, or on the go. See your bus location in real-time on your smartphone!

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San Bernardino National Forest Route Map

About Mountain Transit

Mountain Transit provides Fixed Route, Off-the-Mountain (OTM), and Dial-a-Ride service throughout the rural San Bernardino Mountain communities of the Big Bear Valley, Crestline, Lake Arrowhead, and Running Springs.

Mountain Transit services are managed by Mountain Area Regional Transit Authority, a rural transit agency that was formed December of 1993 under a joint powers authority between the City of Big Bear Lake and San Bernardino County.

News and Events

Check here for the latest in Mountain Transit News and Events.
Updates on Routes, Community Events, Job Opportunities, and Emergency Alerts.



RIM Routes 2, 4, 6, and Dial-a-Ride will not operate Monday, July 4th in observance of the 4th of July holiday. Big Bear Route 5 …

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Transit Equity Day February 4th, 2022

Every bus, every train, everywhere in San Bernardino county is free February 4th, 2022!

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Take the Mountain Transit Survey

UPDATE: This Survey Is Now Closed. Thank you for everyone that participated! Mountain Transit is updating its five year service plan and is asking the …

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Route 5 Service Reinstated to Mondays & Fridays

Effective March 15, 2021, Route 5 Off the Mountain service between Big Bear and San Bernardino will be reinstated on Mondays and Fridays and will …

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New Mountain Transit Website

COMING 2/1/2021 Fellow San Bernardino Community Members and Beloved Riders, Something exciting has been happening over here at Mountain Transit over the last few months …

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Route 3 Service Update

Effective 11:30am 12/29/2020 Route 3 is suspended TUESDAY, December 29 through THURSDAY, December 31, 2020 Traffic is too dense to keep a schedule. Mountain Meadows …

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