Cahuilla and Buttercup Ranger Stations at Imperial Sand Dunes to Close for Season Sunday, May 22.
**Cahuilla and Buttercup Ranger Stations to close for season on Sunday, May 22.** Last day stations are open will be Saturday, May 21. Stations will reopen in October. The Imperial Sand Dunes, sometimes called the Algodones Dunes, are the largest mass of sand dunes in California. This dune system extends for more than 40 miles along […]