Thomson Causeway
Sold out? Sites at Thomson Causeway open up when campers cancel.
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About Thomson Causeway
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 and Clarks Ferry.
Total reservations in May — 2023: 162 · 2024: 762 · 2025: 838
Location
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.
- •September sees 874 reservations - book early or set cancellation alerts.
Nearby Campgrounds
Bulger's Hollow Recreation Area
Mississippi River - Pools 11-22
Bellevue State Park
Bellevue State Park
Blanding Landing
Mississippi River - Pools 11-22
Fishermans Corner
Mississippi River - Pools 11-22
Maquoketa Caves State Park
Maquoketa Caves State Park
Clarks Ferry
Mississippi River - Pools 11-22
Photos
Thomson Causeway FAQ
How far in advance should I book Thomson Causeway?
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open. Mark your calendar for when the booking window opens (typically 5-6 months ahead). Also set alerts - cancellations do happen.
What is the busiest time at Thomson Causeway?
September typically sees the highest reservation activity at Thomson Causeway. During peak times, 100% of reservations are made 2+ weeks in advance.
Are there campsites available at Thomson Causeway right now?
Thomson Causeway is currently fully booked for the next 14 days. However, cancellations happen frequently - download the Campsite Tonight app to get instant alerts when sites become available.
Where is Thomson Causeway located?
Thomson Causeway is located in Mississippi River - Pools 11-22, near Thomson, Illinois.
Track Availability at Thomson Causeway
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