Nat. Park/Forest, Other States, Picture of the Day Damp Area in the Dunes, Great Sand Dunes National Park and Preserve – Mosca, CO December 30, 2022 / ©2022 John Wanserski for Creative Juice LLC Great Sand Dunes National Park & Preserve Great Sand Dunes National Park & Preserve; maps Medano Creek Pinon Flats Campground Weather forecast for the Mosca, CO vicinity Blog entries for the Great Sand Dunes National Park & Preserve Videos of other parks, A-Z List Share on Facebook