Dune areas may occur in three forms: simple (isolated dunes of basic type), compound (larger dunes on which smaller dunes of same type form), and complex (combinations of different types).

Sep 22, 2025 · Over 50 miles of trails lead through shifting sand dunes, quiet woodlands, sunny prairies and lush wetlands. Known for its striking plant and bird diversity, it's easy to find …

Simple dunes are basic forms with a minimum number of slipfaces that define the geometric type. Compound dunes are large dunes on which smaller dunes of similar type and slipface …

Dunes occur in different forms and sizes, formed by interaction with the flow of air or water. Most kinds of dunes are longer on the windward side where the sand is pushed up the dune and …

A dune is a mound of sand this is formed by the wind, usually along the beach or in a desert. Dunes form when wind blows sand into a sheltered area behind an obstacle.

As Europeans began to settle along the central Oregon coast during the 1700s and 1800s, they faced a significant challenge: the natural movement of the dunes. The sand swallowed roads, …

With an unparalleled position along 15 miles of Lake Michigan shoreline, 50 miles of rugged trails, and a diverse ecosystem of dunes, wetlands, prairies, and old-growth forest, Indiana Dunes …

Dunes occur in different forms and sizes, formed by interaction with the flow of air or water. Most kinds of dunes are longer on the windward side where the sand is pushed up the dune and …

Dunes often reach heights of 300 feet above the desert floor, providing outstanding opportunities for recreation. A favorite place for off-highway vehicle (OHV) enthusiasts, the dunes also offer …

Explore soaring sand dunes set against snow-capped peaks at Great Sand Dunes National Park and Preserve. This Colorado park protects the tallest dunes in North America, formed over …