On-A-Slant Indian VillageHistoric Sites
Cities/Mandan/On-A-Slant Indian Village

On-A-Slant Indian Village

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Adult $10·Child(6-18y) $5·Infant(under 5) FreeUSD
FamilyOutdoorPhoto SpotMust-SeeImmersiveEducationalArchaeologyFolk Culture

Overview

Fort Abraham Lincoln State Park is a North Dakota state park located 7 miles (11 km) south of Mandan, North Dakota, United States. The park is home to the replica Mandan On-A-Slant Indian Village and reconstructed military buildings including the Custer House.

Practical Info

Suggested Duration1-1.5 hours
Best TimeJune through October during golden hour from 4:30 PM to 6:30 PM is magic. Perched at the confluence, the low sunset rays cast a striking warm radiance across the historic, massive sod earthlodges reconstructed on the native site. Framing the long shadows stretching past the timber framing offers an authentic look at plains tribal culture.
Getting ThereSuperbly positioned inside the lower river flats within Fort Abraham Lincoln State Park, adjacent to the museum. Drive via Highway 1806 S straight to the main visitor center paved lot; park completely free of charge and take a brief 50-meter stroll east straight into the historic earthlodge circle footprint.

Travel Tips

  • Reconstructed Mandan earthlodges feature extremely low doorways and dark interiors; bowing your head is necessary to avoid injury, and open flames or smoking are prohibited.
  • The village grass margins host active populations of deer ticks; abandoning the established crushed-stone and boardwalk corridors to walk on raw turf is prohibited.
  • Extended severe rainfall degrades the protective structural clay layer of the earthlodges; park rangers will issue snap closures during high-risk structural softening.

Reviews

Positive
  • Powerful Native American archeological site! Reconstructed massive Mandan earthlodges deliver immense, authentic cultural depth.
  • Stepping inside these large earth architectures to view original bison-bone tools and central hearth pits offers incredible learning value.
  • The dirt structures sit on beautifully manicured green grass with immaculate, detailed educational placards across the trail paths.
  • The hospitality team delivers genuine warmth, frequently conducting live tanning crafts or tribal folklore sessions inside the lodges.
Heads up
  • Built authentically with raw sod and timber, the interiors are very dim, dark, and chilly, requiring caution for senior citizens.
  • During rainy cycles, the dirt lodge interiors and outdoor turf pathways become passably slippery and muddy, ruining wet-weather trips.
  • If you miss the scheduled guided runs, a self-guided tour takes barely 20 minutes, lacking modern interactive digital AR tech installations.
  • The loop lacks sit-down amenity options or refreshment kiosks, forcing you to hike back to the main gates just to purchase bottled water.