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Colorado
Castlewood Canyon State Park
- Established
- 1964
- Acreage
- 2,628 · ~2,628 acres preserving the Black Forest region along Cherry Creek
- Location
- Douglas County, CO (near Franktown, south of Castle Rock)
- Key features
- Castlewood Canyon Dam ruins (built 1890, collapsed 1933); Cherry Creek; canyon walls; Black Forest ponderosa pine ecosystem
- Activities
- Hiking, rock climbing, picnicking, wildlife viewing, bird watching, ranger programs
- Notable
- Home to the ruins of the 1890 Castlewood Dam, which catastrophically failed on August 3, 1933, sending a 15-foot wall of water down Cherry Creek to flood Denver
Visits
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Source: cpw.state.co.us · 2026-05-14