Patapsco Valley State Park — Avalon / Orange Grove

River · Maryland

About this swimming hole

The Avalon/Orange Grove area of Patapsco Valley State Park pairs a famous swinging bridge and paved riverside trail with countless side paths to the Patapsco's swimming and wading spots. Families spread out along calm stretches while anglers and tubers share the 32-mile river corridor. Weekend crowds are real — arrive early or call ahead to check capacity.

Good to know

Water typeRiver
DepthCalm wading stretches mixed with deeper river pools
Best seasonJune–September
FeesState park day-use fee (typically $3–$7 per vehicle)
HoursDawn to dusk
ParkingLarge lots at Avalon/Orange Grove near Halethorpe; can fill on weekends
AmenitiesPlayground, Picnic areas, Trails, Restrooms
CountyHoward
Nearest townHalethorpe
Safety notesNo lifeguard in river areas. River depth and current vary by reach and rainfall; supervise children and avoid high water after storms.

Map

(approximate location)

Official information

Official park / agency page ↗ — check current conditions, fees, and reservations here before you go.

Nearby swimming holes

Frequently asked questions

Is there a fee to visit Patapsco Valley State Park — Avalon / Orange Grove?

Reported fee info: State park day-use fee (typically $3–$7 per vehicle). Fees can change — confirm with the official link.

When is the best time to visit Patapsco Valley State Park — Avalon / Orange Grove?

The best season is typically June–September.

Is Patapsco Valley State Park — Avalon / Orange Grove safe for swimming?

Reported safety notes: No lifeguard in river areas. River depth and current vary by reach and rainfall; supervise children and avoid high water after storms.. There are rarely lifeguards at natural swimming holes — swim at your own risk.

⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026