Two desert ecosystems meet where the Mojave and Sonoran collide — named for the otherworldly trees that define the landscape.
October–April: spring wildflowers (March–April) and clear winter air make for great climbing and stargazing.
Spring weekends and holidays are packed, with entrance lines and full campgrounds — go on weekdays.
Summer highs often top 100°F, monsoon storms hit July–September, and winter nights can freeze with snow at higher elevations.
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.