Operating Hours & Seasons

Great Sand Dunes National Park and Preserve is open 24 hours a day, 7 days a week, year round.

Current and Forecast Conditions

Be prepared! Always check the weather forecast, Medano Creek conditions and forecast flow, Medano Pass Primitive Road conditions, and any alerts before your visit. Plan ahead for conditions to expect each month of the year.

Visitor Center

The Visitor Center is open every day of the year except Thanksgiving, Christmas, and New Year's Day.


Piñon Flats Campground is open April through October each year (closed November through March). Car camping is not permitted in the national park or preserve during these winter months. A few area campgrounds are open throughout the year. The Medano Pass Primitive Road (high clearance 4WD) is open for driving and camping late spring through fall, as road conditions permit. Backpacking is available year round, but you must be prepared for snow and frigid nighttime temperatures in winter, and potential spring and summer storms that can bring high winds or lightning and rain. Check the weather forecast before you visit!


Last updated: June 12, 2023

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Contact Info

Mailing Address:

Visitor Center
11999 State Highway 150

Mosca, CO 81146


719 378-6395
Great Sand Dunes Visitor Center main number

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