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Hog Island

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Hog Island is an island of roughly 2 acres (0.8 ha) in size located approximately 5 mi (8 km) south of the entrance to Tomales Bay in the West Marin area of Marin County, California.

The name Hog Island reportedly came from a bizarre 1870s incident when a barge carrying a load of pigs caught fire and was grounded on the island to avoid sinking, at which point the pigs escaped onto the island until they were rounded up again.

The San Andreas fault runs through the center of Tomales Bay, past Hog Island. Local legend has it that Hog Island and nearby Duck Island (also known as "Piglet") were once connected, but separated as a result of the 1906 San Francisco earthquake. Despite the legend, land deeds from the 1880s indicate that the two islands were separate before the earthquake. The two islands have been intermittently linked by a sand spit exposed at low tide, including at the current time.

Recreational Opportunities

The Inverness Yacht Club hosts an annual sailboat race around the island. Competing boats sail from the club, around the island, and back to the club again.

 ADA Accessibility Notes
Accessible by boat only

For More Information, Contact:

Pt. Reyes National Seashore

1 Bear Valley Rd., Pt. Reyes Station, CA 94956
415-464-5100 · fax 415-464-8132

Kaise wrote on May 30, 2013: We love Hog and Piglet--spent several years anchoring in White's Cove enjoying Tule Elk swimming by the boat, board sailing, and inflatable explorations. Big problems buying beer at low tide with lots of mud to traverse. A real gunk hole. Kaise

Boundaries and names shown do not necessarily reflect the map policy of National Geographic.

Longitude: -122.894161900
Latitude: 38.160476600
Elevation: 23 FT (7 M)
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