Santa Rosa Island, Channel island in Santa Barbara County, United States.
Santa Rosa Island is a Channel Island off the California coast, spanning a large area with varied terrain. Rolling hills, deep canyons, and sandy beaches make up its landscape.
The island was home to the Chumash people for centuries, with archaeological evidence showing human presence dating back about 12,000 years. The United States Army built a radar station during World War II.
The United States Army maintained a radar station on the island during World War II, with structures built to house military personnel.
Access to the island is by boat charter or small aircraft from the mainland California coast. Visitors should prepare for changing weather and rough conditions, especially during winter months.
The island shelters one of only two existing populations of Torrey Pine trees in the world. This rare tree species survives in just a handful of locations globally.
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