Yosemite, CA → Yellowstone, WY

Your 844-mile journey from Yosemite National Park to Yellowstone National Park is an epic cross-country adventure that showcases some of the American West's most dramatic geography. From Yosemite's granite cliffs and alpine meadows, you'll head northeast via California State Route 120 toward the Sierra Nevada's crest, then connect to US Route 395 through the high desert regions of eastern California and Nevada. As you progress through Nevada and into Utah on Interstate 80 and US Route 50, the landscape shifts dramatically from sagebrush plains to towering red rock formations, before you eventually turn north through Wyoming on Interstate 25 and US Route 14 toward Yellowstone. This 14-hour-plus journey will take you through multiple distinct ecosystems and across some of the West's most remote and beautiful terrain.

The drive presents significant elevation changes that demand your attention and respect—you'll climb from Yosemite's valleys to elevations exceeding 10,000 feet in the Sierra Nevada before descending into Nevada's high deserts around 5,000 feet. Notable cities along your route include Reno, Nevada, a good refueling and rest stop about six hours into your drive, followed by Salt Lake City, Utah, roughly ten hours out, where you'll encounter your most substantial urban stretch before heading into Wyoming's wide-open spaces. You'll pass near stunning natural landmarks including the Great Salt Lake, the Wasatch Mountains, and the dramatic red rock country around southern Wyoming, with glimpses of the Uinta Mountains to your south as you approach the final leg.

The rural stretches dominate most of this route, particularly through Nevada and across the high plains of Wyoming, so plan ahead for fuel stops and meals in smaller towns. Spring through early fall offers the most pleasant driving conditions, though you should be prepared for mountain passes that can close seasonally due to snow, particularly around the Sierra Nevada crossing and the approaches to Yellowstone. Winter driving on this route can be treacherous and unpredictable, potentially adding hours to your journey or making certain sections impassable, making late spring through early autumn the ideal window for completing this memorable drive.

The 844-mile drive from Yosemite, California to Yellowstone, Wyoming takes approximately 14h 8m under normal conditions. Weather along this route can vary significantly, especially through mountainous terrain where elevation changes can bring sudden weather shifts. Route Outlook helps you find the safest time to travel by showing you weather conditions at every point along your route, timed to when you'll actually be there.

Common Weather Hazards on This Route

• Winter storms and heavy snowfall (November through April)
• Black ice on mountain passes and bridges
• Dense fog, especially during early morning hours
• Extreme heat and dust storms in desert regions
• Flash floods during monsoon season (July through September)

Seasonal Driving Considerations

Mountain passes along this corridor can be treacherous from October through May, with chain requirements, road closures, and whiteout conditions at higher elevations. Summer brings its own challenges — afternoon thunderstorms are common above 7,000 feet, and construction season narrows lanes on key highways. Always check pass conditions before departing, and carry emergency supplies during the colder months.

Best Time to Drive Yosemite to Yellowstone

For long drives like this 844-mile journey, planning is essential. Consider breaking the trip into segments if weather looks challenging. The best approach is to check conditions for multiple departure times using Route Outlook's optimizer, which considers weather at each point when you'll actually be there.

Driving Strategy

Covering 844 miles from Yosemite to Yellowstone is a full-day or multi-day drive that requires advance planning. Break the route into manageable segments, planning fuel and rest stops every 2-3 hours. Weather that looks fine at departure may deteriorate significantly at the midpoint. Consider booking overnight accommodation if the forecast shows deteriorating conditions in the latter half. Route Outlook's segment-level weather data helps you identify exactly where and when conditions will change.

Frequently Asked Questions