Yosemite Mariposa Road Conditions (Calif. Highway 140)

Up To The Minute Yosemite Mariposa Road Conditions / El Portal Road Conditions

Yosemite Driving Conditions

Yosemite Driving Conditions

Don’t start your trip to Yosemite without checking Yosemite Valley and Mariposa road conditions. This web site is the best and most recent resource of Yosemite highway conditions.

Any trip to Yosemite includes mountain driving so variations in Yosemite highway conditions can greatly affect your travel.

Yosemite weather is subject to quick variation at any time of year. The travel conditions you discover will be subject to weather, forest fires, landslides and a lot of other variables.

Although most visitors are able to drive through Yosemite Park without unpleasant incident you never know at what time chain requirements, for instance, might change. You ought to be acquainted with the driving conditions and road closing information for highways both within the Yosemite Park boundaries as well and outside the park.

Yosemite Road Conditions

Each of the 4 major routes into the park: Big Oak Flat, Mariposa/El Portal, Tioga and Wawona will be subject to very dissimilar weather and elevation effects.

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This page gives you all the Yosemite driving conditions you should require for your vacation. The data comes from the National Park Services and the California Highway Patrol and is updated constantly.

Bookmark this page and check back often so you can always be familiar with the latest driving conditions in Yosemite.

At any time of year Yosemite drivers ought to be alert to weather changes that can effect safety conditions. In any time of year rainfall and snow storms can emerge rapidly without forewarning and make highway conditions perilous.

Yosemite Highway Snow Driving Guidelines

  • If you are stopped by a law enforcement official and instructed to put on chains you have got to do so at once. On no account drive more rapidly than 25-30 mph when you are using chains.
  • Wintry conditions can cause your automobile to spin in a heartbeat. When conditions are poor you need to travel slower. To allow for skidding when road conditions change and in bad weather maintain more distance between you and the car in front of you.
  • Replenish your tank often to keep it full. There are few gas stations within Yosemite or close by.
  • Start earlier to allow that it can take more time when conditions are terrible.
  • It can occur that you can get trapped in snow and have to to endure exceedingly low temperature for a period of time. Possess blankets, warm clothes, water and provisions.
  • A few simple tools can be indispensable such as a shovel and towels, broom, de-icer or ice scraper.
  • Make certain you have chains in the winter and that your tires are in first-rate condition. Get a chain mending kit and flashlight.
  • A cell phone is a good idea although nearly all cell phones will not work in many areas of Yosemite. Good quality maps and additional vehicle keys in your wallet or with a passenger are smart.
  • Clean antifreeze plus windshield washer fluid designed for freezing temperatures are necessary.
  • Try your heater and defroster as well as wipers and brakes before you depart to be sure.


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