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About Mountain Transit

Mountain Transit provides Fixed Route, Off-the-Mountain (OTM), and Premium 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.

Alerts

Alerts

Mountain Transit Martin Luther King Holiday Schedule January 19, 2026

  Effective Date: 01/07/2026 - 01/19/2026

  Affected Route(s):

×

  Mountain Transit Martin Luther King Holiday Schedule January 19, 2026

  Effective Date: 01/07/2026

  Affected Route(s):

In observance of the Martin Luther King Holiday – Monday January 19th, 2026

Mountain Transit will operate as follows:

The Mountain Transit Office and dispatch will be closed.

BIG BEAR Service: Operating Hours 6:00AM – 9:48PM runs Hourly
(Big Bear Route 5 does not run on holidays)

RIM Service: Will operate on Sunday schedule from 9:05AM – 5:10PM
(Rim Route 6 and Route 4 do not run on holidays)

Check our website and Facebook for updates to service. Use the new Mountain Transit app to see your bus approaching the bus stops in real time.

READ MORE INFO

San Bernardino National Forest Route Map

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See your bus approaching in real-time with Mountain Transit's bus tracking app! Transit tools for home, or on the go. See your bus location in real-time on your smartphone!

News and Events

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

Surplus inventory for sale announcement graphic
News

Public Announcement: Surplus Inventory for Sale

Handheld and portable CB radios for sale, various models and quantities.
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News

Celebrate Rural Transit Day, July 16!

Free bus service for riders in the Rim area will be offered for the next two years.
Read More
Mountain Transit Notice of Public Hearing
News

NOTICE OF PUBLIC HEARING — June 18, 2025 at 10:30 AM

Mountain Transit will hold a Public Hearing on June 20, 2024 at 10:00 AM in-person and online.
Read More