Patapsco Valley State Park McKeldin Area offers 120 miles of shared-use trails. Several miles of maintained trails are blazed. The forest comprises 16,043 acres and is located in Carroll County – Central Maryland.  Hours of Operation: Open daily – 9 AM to sunset. Day-Use Fees: Monday-Friday: $2 per vehicle In-state and $4 per vehicle out-of-state. Weekends and holidays: $3 per Read more...
