
Marsh Creek State Park
Marsh Creek State Park in Chester County, Pennsylvania features the 535-acre Marsh Creek Lake (designated “big bass lake”), 21 miles of trails, horseback riding, and year-round fishing just 45 minutes from Philadelphia!
535-Acre “Big Bass” Lake
| Lake Info | Details |
|---|---|
| 💧 Size | 535 acres |
| 🎣 Designation | “Big Bass Lake” |
| 🐟 Species | Bass, crappie, bluegill, trout |
| 🚤 Boat Launch | 24-hour access |
Fishing Regulations (2026)
| Regulation | Details |
|---|---|
| 🎣 Lines | Max 3 lines |
| 🐟 Bass No-Harvest | 2nd Sat April–2nd Sat June |
| 🌿 Fish-for-Free Days | May 24 & July 4, 2026 |
| 🎿 Ice Fishing | 4″ ice minimum |
Boating
| Boating Info | Details |
|---|---|
| ⚡ Electric Motors | ✅ Allowed |
| ⛽ Gas Motors | ✅ Allowed |
| 🛟 Life Jacket | Required Nov 1–Apr 30 |
21 Miles of Trails
| Trail Type | Details |
|---|---|
| 🥾 Hiking | 64 trail options |
| 🚴 Mountain Biking | 63 trails |
| 🐴 Horseback | 46 horse trails, 7mi dedicated |
FAQ
Wildlife & Nature
Marsh Creek State Park — in Contra Costa County — provides recreation along Marsh Creek in the eastern San Francisco Bay Area foothills. The creek corridor supports riparian woodland with willows, valley oaks, and cottonwoods. Red-tailed hawks and red-shouldered hawks hunt from perches. Great blue herons wade the creek. Western pond turtles sun on logs. Steelhead trout may use the creek system.
Nearby Attractions
Brentwood — adjacent — has the East Contra Costa wine region. Mount Diablo State Park — 10 miles west — has summit views spanning 200 miles. Black Diamond Mines Regional Preserve — 5 miles north — has coal mining history. Antioch — 10 miles north — has the Antioch Dunes NWR (with the rare Antioch Dunes evening primrose).
Why is it called a “Big Bass Lake”?
Marsh Creek Lake has special big bass regulations. From the 2nd Saturday of April to the 2nd Saturday of June, all bass must be immediately released—no harvest allowed.
Can I bring a motorboat?
Yes! Both electric and gasoline motors are permitted. Boat launch access is 24 hours at 800 North Reeds Road.
Are there riding lessons?
Yes! Hope Springs Farm at Marsh Creek offers lessons for all ages and skill levels, with a focus on adult riders.
🐴 Philly’s Outdoor Escape
Visit PA DCNR website.
Things to Do
Pennsylvania parks feature deep hardwood forests, river gorges, and expansive lakes. Activities include hiking the Appalachian Trail, boating and sailing, fly fishing for trout, whitewater rafting, camping, mountain biking, and exploring old-growth forest remnants.
Best Time to Visit
Fall is magnificent with one of the best foliage displays in the country. Summer is busiest for lake swimming. Spring brings high water great for paddling. Winter offers snowmobiling and cross-country skiing.
Visitor Tips
Free admission at all state parks. Camping reservable 11 months in advance. Ohiopyle and Ricketts Glen are most popular — wear sturdy, grippy footwear on wet waterfall trails.
Explore More Pennsylvania State Parks
Marsh Creek State Park is one of many outstanding state parks in Pennsylvania. Discover more parks in our Best State Parks in Pennsylvania guide, or use our Park Finder to search by activity, location, or features.










