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Is Castle Rock SP open right now?

Q: Is Castle Rock SP open right now?

As of October 14, 2026, Castle Rock SP is open. No closures reported by California State Parks.

California State Park · CA

Open

Castle Rock SP is open.

Why this statusNo closures reported by California State Parks.

Last checked Wed, 14 Oct 2026 13:00:58 GMT

Browse parks.ca.gov ↗ ← Back to the map

Castle Rock Lake is an artificial lake on the Wisconsin River.

Type: California State Park
State: CA
Nearest town: Santa Cruz

About Castle Rock SP

Castle Rock Lake is an artificial lake on the Wisconsin River. It is located in central Wisconsin in Adams County and Juneau County. The lake has an inflow from Petenwell Lake, Yellow River, Big Roche a Cri., and Klien Creek. It has a surface area of 16,640 acres (67.3 km2) and its depth varies from 8–20 ft (2.4–6.1 m) in most places, with area in the old river beds reaching as deep as 35 ft (11 m).

Read more on Wikipedia ↗ Text from Wikipedia, CC BY-SA.

Visitor info

AddressSanta Cruz

Websitewww.parks.ca.gov/?page_id=538 ↗

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How we read this status

We derive Castle Rock SP's status from the park system's public alerts, refreshed hourly — this is our reading, not an official determination. As of the last check: No closures reported by California State Parks. Full method: how we check park status.