US lakes & pondsUS lakes & pondsCampground · Army Corps lake in Carroll County, Illinois.
| Managed by | US Army Corps of Engineers (Mississippi River - Pools 11-22) |
|---|---|
| Campsites | 128 |
| Site types | 121 standard, electric, 5 tent only no electric, 2 group picnic area |
| RV hookups | Electric hookups at 128 sites (water at 102) |
| Longest RV/trailer site | 99 ft |
| RVs welcome | Yes |
| Tent sites | Yes |
| Dogs allowed | Yes |
| Phone | (815) 259-3628 |
| Address | Thomson |
| Reservations | Recreation.gov |
We only list amenities a source records. A missing item doesn't mean the campground lacks it, so check with Army Corps of Engineers' Causeway before you go.
Thomson Causeway provides the unique experience of island camping on the great Mississippi River and it's well worth a try! The western edge of the recreation area offers visitors an unobstructed view of the widest spot on the Upper Mississippi River Basin, 3.5 miles from shore-to-shore. Here, campers can enjoy memorable views of the river and the valley, and partake in plenty of great water activities. Recreation Popular activities include fishing, hiking, hunting, biking and boating. Common fish species include the channel catfish, bluegill, walleye, large mouth bass, and northern pike.
Description: Recreation.gov (U.S. federal government, public domain), shortened.
Lakes and ponds on LakeRipple within 10 miles, closest first (straight-line distance to the shoreline). Each page has boat launches, beaches, fishing and today's weather.
Army Corps of Engineers' Causeway is in Carroll County.
Sources: Recreation.gov (RIDB) · OpenStreetMap contributors (ODbL). Pulled Oct 12, 2026. Interactive map: Leaflet with © OpenStreetMap contributors. Seasons, rates and rules change; confirm with the campground.