Great Sand Dunes National Park Travel Guide

When to Go

About 300,000 visitors come to the park each year, most on summer weekends; they tend to congregate around the main parking area and Medano Creek. To avoid the crowds, hike away from the main area up to the High Dune. Or come in the winter, when the park is a place for contemplation and repose—as well as skiing and sledding.

Fall and spring are the prettiest times to visit, with the surrounding mountains still capped with snow in May, and leaves on the aspen trees turning gold in September and early October. In summer, the surface temperature of the sand can climb to 140°F in the afternoon, so climbing the dunes is best in the morning or late afternoon. Since you're at a high altitude—about 8,200 feet at the visitor center—the air temperatures in the park itself remain in the 70s most of the summer.

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