The Tolowa Dunes State Park is a state park and recreation area in Crescent City, California. It features an ancient sand dunes complex that has evolved into various distinct ecological communities as time went by. Today, it is home to an ocean beach, wooded ridges, river, vegetated and open sand dunes, as well as some of the finest wetlands habitat on the northern coast of the state.

Named after the Tolowa people who occupied the area before the European colonization in the 1800s, the Tolowa Dunes State Park is now home to a wide array of wildlife. It has a diverse range of birds, animals, and plant life.

Visitors can enjoy fishing, hiking, boating, picnicking, wildlife viewing, and biking inside the Tolowa Dunes State Park.