Thomson Causeway Campground offers 125 reservable campsites (120 with electric hookups, 5 tent-only) on a Mississippi River island with a boat ramp for water access and the Central Trail section of the Mississippi River Trail for biking and hiking.

The campground features level concrete pads, modern amenities including flush toilets and shower houses, and a dump station, making it well-suited for both RV and tent camping.

Reservations are highly competitive and should be made 6 months in advance through Recreation. gov; sites cost $14-$26/night and the campground operates May 1 through October 25.