The Colorado and Green rivers carve a labyrinth of mesas, canyons, and buttes in a remote Utah wilderness.
Mid-March–May and September–October: comfortable in Island in the Sky and the Needles.
Quieter than neighboring Arches; spring and fall weekends are busiest.
Summer highs of 95–105°F with little shade, and monsoon storms (July–September) can flood backcountry roads. Winter nights are cold and the White Rim can be icy.
General patterns — conditions vary by year. Check current NPS alerts and road status before you go.
Distances are rough estimates to the closest entrance. Check road and ferry conditions before you go.
Campgrounds inside the park are booked through Recreation.gov, and many fill months ahead.
FIND CAMPSITES ON RECREATION.GOV ↗There’s no lodging inside this park, so most visitors stay in the nearby towns above.