Photo:
Diliff / CC BY-SA 3.0
Yosemite is the crown jewel of the Sierra Nevada, ancient granite monoliths rising from meadow floors, some of the tallest waterfalls in North America thundering off the cliffs, and groves of giant sequoias standing where they have stood for millennia. A UNESCO World Heritage Site and biosphere reserve, it is also one of America’s busiest parks, which is exactly why a little planning pays off: the same access that makes Yosemite Valley easy also fills its parking lots before dawn.
Yosemite is a landscape carved by glaciers, rivers and time. Massive granite formations, the sheer face of El Capitan, the rounded crown of Half Dome, frame the U-shaped Yosemite Valley, where the Merced River winds through meadow and forest. Waterfalls plunge from high cliffs, giant sequoias stand in three groves, and beyond the valley the park climbs into high alpine terrain of clear lakes, rugged peaks and open wilderness.
Spring is the waterfall season, when snowmelt drives Yosemite Falls and Bridalveil Fall to their peak, though high trails may still be snowbound. Summer opens every road and trail, and brings the biggest crowds and afternoon high-country thunderstorms. Fall thins the crowds and turns the aspens gold, and winter blankets the valley in snow for snowshoeing and cross-country skiing while high-elevation areas close.
Four highway entrances serve the park: CA-140 and CA-41 stay open year-round, while CA-120 (Tioga Road) and CA-120W close seasonally for snow. The nearest airports, Fresno, Sacramento and Oakland, are a 2–4 hour drive. Inside, the free Yosemite Valley shuttle links trailheads, lodges and visitor centers; outside the valley you need a vehicle, and peak-season parking or entry reservations may be required, so check the NPS site first.
Hiking spans everything from flat valley strolls to the strenuous Mist Trail and the permit-only Half Dome cables. El Capitan and Half Dome are world-famous rock-climbing objectives with guiding and rentals in the valley. Photographers chase sunrise at Taft Point and sunset at Glacier Point, wildlife watchers look for mule deer, black bears and peregrine falcons, and rangers run free walks, talks and stargazing programs.
Black bears are common, so never leave food or scented items unattended and always use the bear-proof lockers. Conditions change fast, carry layers, sun protection and plenty of water, and many trails involve steep drop-offs, so stay on marked paths near cliffs and waterfalls. River currents are strong and cold year-round, and drowning is a leading cause of park fatalities, so never swim in waterfalls or cross swollen streams. At elevation, hydrate and watch for altitude sickness, and download offline maps since cell service is minimal.
Popular activities, the Half Dome cables, wilderness camping, certain lodges, require advance permits or reservations, and the park may run peak-season parking or entry reservations, so always verify current requirements with the National Park Service. Valley campgrounds fill months ahead. This page is a general overview, not a live conditions report; confirm current closures, reservations and permits with the NPS before your trip.
Set this declination on your compass, then align it to the map's north lines; it is the angle between true north and magnetic north, refreshed each year.