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Maryland
Seneca Creek State Park
- Established
- 1958
- Acreage
- 6,300 · 6,300+ acres along 14 miles of Seneca Creek; opened as Seneca State Park 1958; expanded with state funds 1965-1968
- Location
- Montgomery County, MD (Gaithersburg/Germantown area)
- Key features
- 90-acre Clopper Lake; 14 mi of Seneca Creek to the Potomac; 27-hole disc golf course; restored 19th-century Schaeffer Farmhouse and Clopper grist mill ruins; 50+ mi of trails
- Activities
- Hiking, mountain biking, horseback riding, fishing, paddling (rentals), disc golf, picnicking, ice skating on Clopper Lake (when safe)
- Notable
- The 16.5-mile Seneca Creek Greenway Trail traverses the entire park and connects to the C&O Canal towpath, forming part of a 24-mile contiguous trail corridor to the Potomac River
Visits
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Source: dnr.maryland.gov · 2026-05-14