. The casino floor boasts over gaming machines (video slots, poker and keno) and four live blackjack tables so you get Las Vegas action and Northern Minnesota. Seven Clans Casino Hotel & Indoor Water Park · Map · Center St E Thief River Falls, MN Directions · () Call Now · Known For. Lots. INDOOR WATER PARK! The Seven Clans Casino Thief River Falls location boasts a 40, square foot water park with four large water slides, three mini-slides. The Seven Clans Casino Thief River Falls location boasts a 40, square foot water park with four large water slides, three mini-slides, two hot tubs, a lazy. E. Seven. Seven Clans Casino, Hotel and. SEVEN CLANS CASINO THIEF RIVER FALLS. Seven Clans Casino /Hotel/Indoor Water Park Center St. Center Street East Thief River Falls, MN Casino • Sports • Live Dealer • Poker #1 Choice of. Casual casino hotel offering relaxed rooms, plus an indoor water park & 2 dining options. Thief River Falls MN Phone: Visit their website. #5 of 7 things to do in Thief River FallsCasinos (MN)Thief River FallsThings to Do in Thief River FallsSeven Clans Casino Thief River Falls. Pros: wonderful water park! Loved the lazy river, water slides (only one smaller one was closed), lots of tables, nice splash pad areas for small kids. Water Park - Thief River Falls · Page · Casino · () · [HOST] · Rating · (1, Reviews). Yes. Accepts.