Maryland
Seneca Creek State Park
Verified by America’s State Parks Editorial Team – Updated February 2026
Seneca Creek State Park spans 6,300 acres in Montgomery County with 50+ miles of trails and the 90-acre Clopper Lake—a peaceful escape near DC!
Trails
| Trail | Details |
|---|---|
| 🥾 Clopper Lake Loop | 3.3mi easy, lake views |
| 🚴 Seneca Creek Greenway | 16.2mi multi-use |
| 🐴 Schaeffer Farm | Equestrian & MTB loops |
Clopper Lake
| Info | Details |
|---|---|
| 🌊 Size | 90 acres |
| 🚣 Boats | Electric motors, hand-launch |
| 🎣 Fish | Largemouth bass, sunfish, carp |
| 🏊 Swimming | Not permitted |
FAQ
Is camping available?
No camping at Seneca Creek—day-use only. Nearby camping at Cunningham Falls or Greenbrier SP.
🌲 DC Metro’s Nature Escape
Visit MD DNR.
Last updated: February 20, 2026
