US Army Corps of Engineers
Rock Island District Website

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Big Slough Recreation Area

Thomson, Illinois

Big Slough Recreation Area is a day use facility featuring a two lane boat ramp, bank fishing, and several picnic sites.  The boat ramp enables access to the Mississippi River and backwaters of pool 13. 

A $5.00 daily day use fee is charged for boat ramp access.  Annual passes can be purchased for $40.00. Fees will be waived until October 1, 2020

Big Slough Recreation Area is located four miles north and one mile west of Thomson, Illinois off of State Highway 84 at 5955, 5999 Riverview Road, Thomson, IL  61285.

Click Here For Current Recreation Area Status