Indian Fish Trap State Preserve, also known as the Indian Fish Weir, is a historic site located near the Amana Colonies in rural Iowa County, Iowa.
The fish weir is an array of rocks in a V-shaped formation in the Iowa River.
Early pioneers discovered the weir, and it was included on a General Land Office map in the 1840s.
The Coralville Reservoir pool partially inundates the preserve, which also affects the visibility of the weir.
There are three Indian burial mounds that date from the Early Woodland Period located nearby.