Custer State Park

State park · South Dakota

Autumn foliage at Custer State Park
Photo: Hcrumplermd / Wikimedia Commons, CC BY-SA 4.0

South Dakota's largest state park spans more than 71,000 acres of the Black Hills, where the Needles Highway winds through granite spires and narrow rock tunnels and the Wildlife Loop Road crosses grassland grazed by some 1,300 free-roaming bison. Aspen color peaks late September into early October.

Best for: Scenic drives and bison herds

Don’t miss

  • Needles Highway granite spires
  • Wildlife Loop Road bison herd
  • 71,000-plus acres
2026 Forecast

Peak: October 10–October 14

Color builds from September 27 · mostly bare by November 2

Color starts: September 27Peak: October 12Bare: November 2AugustDecember

Sampled at Custer State Park’s own coordinates and elevation (1310 m) rather than a regional average.

South Dakota is sampled at 40 weather points, then moved 2 days earlier so the model agrees with 1 published peak date from smokymountains.com. How the forecast works

When to go to Custer State Park

You get about 24 days of color here, from the first turn through to roughly October 21. That is about 5 days earlier than South Dakota as a whole. At 4,298 ft, it turns before the lower ground nearby.

Custer State Park on the map

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

More things to do in South Dakota

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Frequently asked

When does Custer State Park peak in 2026?
Peak color is predicted for October 10–October 14 (best estimate October 12). Color starts around September 27 and is mostly bare by November 2.

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