National parks & nature reserves
Castlewood Canyon State Park
Castle Rock, United States
Castlewood Canyon State Park in Castle Rock is characterized by its dramatic geological formations and remnants of a failed dam built in the 1890s. The ruins speak of the 1933 flood disaster that reached all the way to Denver.
Good to know
- Best months
- Mar–May, Sep–Nov
- Getting there
- Best as a day trip
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