Peninsula State Park

State park · Wisconsin

Autumn foliage at Peninsula State Park
Photo: Katy Warner / Wikimedia Commons, CC BY-SA 2.0

Door County's flagship park, established 1909, covers 3,776 acres and eight miles of Green Bay shoreline near Fish Creek and Ephraim. Climb Eagle Tower or bike the shoreline trails as sugar maples turn against the water. It's the peninsula's most photographed fall scenery, peaking late Sept into early Oct.

Best for: Door County's signature fall views

Don’t miss

  • Eagle Tower observation deck
  • 8 miles of Green Bay shoreline
  • peak color late Sept to early Oct
2026 Forecast

Peak: October 14–October 18

Color builds from October 2 · mostly bare by November 6

Color starts: October 2Peak: October 16Bare: November 6AugustDecember

Sampled at Peninsula State Park’s own coordinates and elevation (183 m) rather than a regional average.

Wisconsin is sampled at 33 weather points, then moved 1 day earlier so the model agrees with 1 published peak date from smokymountains.com. How the forecast works

When to go to Peninsula State Park

Good color holds through about October 25, giving you roughly 23 days from the first turn to past peak. Against Wisconsin overall, that is 2 days later.

Peninsula State Park on the map

Drag the date slider to see when color reaches this corner of Wisconsin, or tap a pin for that stop’s own peak window.

More things to do in Wisconsin

See all things to do in Wisconsin →

Frequently asked

When does Peninsula State Park peak in 2026?
Peak color is predicted for October 14–October 18 (best estimate October 16). Color starts around October 2 and is mostly bare by November 6.

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