Idaho state park featuring the tallest single-structured sand dune in North America, reaching 470 feet. It includes desert, dune, prairie, lake, and marsh habitats.
⛰️ Climb the tallest single-structured sand dune in North America.
🔭 Public observatory for dark-sky stargazing with Idaho's largest publicly accessible telescope.
🎣 Fish for bass and bluegill in two lakes.
🐴 Horseback riding on trails with an equestrian campground.
🏂 Rent sandboards at the Visitor Center.
⚠️ Sand can reach over 150°F (65°C) in summer midday, restrict activities to morning/evening.
🚫 No motorized activity on dunes; UAV/Drone use restricted to designated area.
🐾 Hot sand can burn pets' feet in summer.
🗓️ Astronomical presentations are typically given on Friday and Saturday nights from late spring into early fall, with winter programs Nov-Feb.
🌡️ Sandboard rentals stop when ambient temperature reaches 80°F (27°C) or 3 pm.
🏕️ Reservations for camping are strongly recommended on summer weekends.
💰 Single-day park entry $7-$14 per vehicle; additional fees for camping. Observatory programs by donation. Sandboard rentals $15/day for one, $25/day for two.
🕒 Park day-use areas are open from 7 a.m. to 10 p.m. Observatory hours vary by season, check the website.
RV sites with water and power hookups. Equestrian campground with horse trailer parking. Picnic area available.
Flush toilets, indoor restrooms, and ADA restrooms available.
Last updated 1 day ago
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