Deep River Waterpark is an outdoor summer waterpark located in NW Indiana, 4 1/2 miles east of I-65, within the metro Chicago area. As NW Indiana, Chicagoland's, and Southern Michigan's largest waterpark you'll find rides for all age and intensity levels. At Deep River Waterpark parking is always FREE and we're the ONLY Cooler Friendly waterpark in the region...great for families! PLUS, we are the only waterpark you'll find with a "Weather Guarantee"! Check our website for all info...https://deepriverwaterpark.com for a complete tour!