Vast gypsum dunes — the world's largest — glow brilliant white against the San Andres Mountains of New Mexico.
October–April for comfortable temperatures; a sunset visit or full-moon night program is a highlight.
Spring weekends and holidays are busiest, and sunset is the most crowded time of day.
Midday summer sand is very hot, spring winds are fierce, and Dunes Drive can close for nearby missile testing — check ahead.
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.