Afton State Park, St. Croix River

River · Minnesota

ℹ️ Community-reported spot. Details below are compiled from public sources and are reported to be accurate — always verify locally before visiting.

About this swimming hole

Afton State Park's St. Croix River beach sits below restored prairie bluffs minutes from the Twin Cities. The sandy shoreline and river views make it a favorite metro swim. Hike the blufftop trails before cooling off below.

Good to know

Water typeRiver
Water temperature70s in summer
Depthshallow entry
Best seasonJune-August
FeesMN state park vehicle permit required
Reservations requiredNo
Parkingstate park lots; hike to the beach
Amenitiesswim beach, hiking trails, restrooms
CountyWashington County
Nearest townAfton
Safety notesno lifeguard; river current; hike in/out

Map

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Frequently asked questions

Does Afton State Park, St. Croix River require reservations?

No reservations are required at Afton State Park, St. Croix River based on current information — but verify before you go.

Is there a fee to visit Afton State Park, St. Croix River?

Reported fee info: MN state park vehicle permit required. Fees can change — confirm with the official link.

When is the best time to visit Afton State Park, St. Croix River?

The best season is typically June-August.

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