Lake Onalaska
Lake Onalaska things to do, attractions, restaurants, events info and trip planning
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Lake Onalaska is a reservoir located on the Black River and Mississippi River between Wisconsin, and Minnesota. It is approximately 4 miles across, and is the widest point on the Mississippi River.
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Description
Lake Onalaska is a reservoir located on the Black River and Mississippi River between Wisconsin, and Minnesota. It is approximately 4 miles across, and is the widest point on the Mississippi River.
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Overview
4.2
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Deep Dive
A deep dive into Lake Onalaska
