What is the maximum RV length at Thomson Causeway?

Longest RV site listed: 75 ft (118 of 121 RV sites list a length) (per the listing)

Does Thomson Causeway have RV hookups?

121 electric, 5 no-hookup individual sites (per the listing)

How do I reserve a site at Thomson Causeway?

Reservable on Recreation.gov (per the listing)

Camping at Thomson Causeway, IL

Site	Fr 13	Sa 14	Price
127 tent only nonelectric	–	–	$14
130 tent only nonelectric	–	–	$14
129 tent only nonelectric	–	–	$14
131 tent only nonelectric	–	–	$14
128 tent only nonelectric	–	–	$14
025 standard electric	–	–	$26
015 standard electric	–	–	$26
077 standard electric	–	–	$26
035 standard electric	–	–	$26
063 standard electric

Available Nov 13–15 · 2 nights8 sites open for every night

Seven Eagles Resort & Campground

8.1 mi from Thomson Causeway (straight-line)

Sites from $55/night

$110 total for Nov 13–15 · before taxes & fees

Rates & availability from Campspot · you book on their site

View Campsites

Available Nov 13–15 · 2 nights9 sites open for every night

Foley's 4x4 Timber Trail Camping

18.6 mi from Thomson Causeway (straight-line)

Sites from $12/night

$24 total for Nov 13–15 · before taxes & fees

Rates & availability from Hipcamp · you book on their site

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Check dates on Illinois State Parks

Morrison Rockwood State Park

10.5 mi from Thomson Causeway (straight-line)

Check dates on Illinois State Parks

Rates & availability from Illinois State Parks · you book on their site

View Campsites

Bring a tent or have an RV waiting

Tent camping here: 126 sites take tents. See open sites ↑

Electric sites: 121 sites have power.

Need an RV for your stay?

Rentals that may deliver here and whose listed length fits sites up to 75 ft. Delivery may be available — confirm fees and dates with the owner before you book.

“Beauty” 2015 Four Winds 22E

Class C motorhome · 23 ft · sleeps 5 · 31 mi from campground

$200/night listed · Outdoorsy · Delivery may be available

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"Teton" Happy Glamper

Travel trailer · 37 ft · sleeps 8 · 91 mi from campground

$164/night listed · Outdoorsy · Delivery may be available

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2021 Jayco Flight QBS294

Travel trailer · 37 ft · sleeps 7 · 106 mi from campground

$149/night listed · Outdoorsy · Delivery may be available

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How far ahead to book Thomson Causeway

For May weekends, book about 146 days ahead. Three in four May Friday and Saturday arrivals were booked later than that, and half were booked 74 days or less before arrival. Past timing is guidance, not a guarantee of what is open now.

See booking patterns

Arrival month	Fri/Sat arrivals: half booked at least	A quarter at least	Other days: half booked at least	A quarter at least
May	74 days ahead	146 days ahead	46 days ahead	140 days ahead
June	27 days ahead	123 days ahead	27 days ahead	127 days ahead
July	20 days ahead	105 days ahead	23 days ahead	129 days ahead
August	14 days ahead	66 days ahead	14 days ahead	102 days ahead
September	21 days ahead	82 days ahead	20 days ahead	147 days ahead
October	42 days ahead	129 days ahead	26 days ahead	138 days ahead

Months with fewer than 30 reservations of that kind are left blank. Sites where nearly every booking was made the day of arrival (pay on arrival) are left out. Closed seasons, windows not yet released for booking, and currently unavailable nights are separate from this history.

Based on Recreation.gov reservations, FY2015–2025 (34,833 reservations in the years scored). Counts reservations made, not nights actually camped: cancellations aren't in the data, and nights a site was closed count as not booked. FY2020–21 (COVID) are left out of the scores.

Camping at Thomson Causeway

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Thomson Causeway: questions answered

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