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Mariposa, California: Old Mariposa County Jail

A small, rock jail for a rural county. Unheated and uninsulated, it held prisoners from 1858 to 1963. Plaque on outside wall tells its history.

Bullion St., Mariposa, CA
South side of town, one block east of Hwy 49. On the east side of Bullion St. between 4th and 5th Sts.
Call for hours. (Call to verify) Local health policies may affect hours and access.
Adults $5
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Old Mariposa County Jail

Only 33' x 26' large, the original jail, built in 1858 from granite blocks, had two stories and a gallows at the east end. However, in 1892 a fire gutted the building taking the life of its only occupant and it was reconstructed without the upper story. Visitors to the jail will note that the jail has windows with bars but no glass, and that the interior has no fireplace or wood stove for heat.

[Dana Pellerin, 04/29/2015]

The cold-at-night jail was in use for 105 years, finally closing in 1963.

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