Thomson Causeway is a national park campground at Mississippi River - Pools 11-22 in Carroll County, Illinois. Reservations are managed through Recreation.gov. Instead of refreshing Recreation.gov, let Campsite Tonight watch for cancellations and automatically drop an open site into your cart the instant one frees up.
Thomson Causeway is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 99 ft. Campers rate it 4.7/5 across 225 reviews.
Other campgrounds at Mississippi River - Pools 11-22 include Bulger's Hollow Recreation Area, Blanding Landing, Fishermans Corner, Clarks Ferry and Shady Creek.
Total reservations in May — 2023: 162 · 2024: 762 · 2025: 838
Address
Thomson, Illinois
Coordinates
41.9517, -90.1108
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
Mississippi River - Pools 11-22
Mississippi River - Pools 11-22
Mississippi River - Pools 11-22
Mississippi River - Pools 11-22
Mississippi River - Pools 11-22
Mississippi River - Pools 11-22
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