Interstate State Park
- Status
- Open (per official listing)Daily 6 a.m. – 11 p.m.
- Entrance fee
- Statewide rule — see below
- Day-use reservations
- None mentioned
- Dogs
- Statewide rule — see below
- Camping
- Yes
- Official site
- dnr.wisconsin.gov(715) 483-3747
Official page last checked Oct 29, 2026. How we keep this current
Current alerts 2
Partial closure Interstate SP Construction Notice 2026The River Bottoms Picnic Area will be closed for road paving operations from Oct. 29 through Nov. 7, 2026. Construction will take place Mondays… (more)
The River Bottoms Picnic Area will be closed for road paving operations from Oct. 29 through Nov. 7, 2026. Construction will take place Mondays through Saturdays only. The area will be open on Sundays. For more information, please see: Impact: High.
Posted by the park 2026-10-26. Official alert
Weather Interstate SP Water Systems Notice (Beginning Oct. 12, 2026)Beginning Oct. 12, 2026, water systems at Interstate will be shut down for the season. Water is available at the Pothole Trail overflow lot and when… (more)
Beginning Oct. 12, 2026, water systems at Interstate will be shut down for the season. Water is available at the Pothole Trail overflow lot and when the Ice Age Interpretive Center is open. The dump station is open for dumping only until late November. Impact: Low.
Posted by the park 2026-10-08. Official alert
Overview
Covering about 1,628 acres, Interstate State Park lies in Polk County, in St. Croix Falls.
Visitors come for rock climbing, canoeing and kayaking, hunting in season, boating, and swimming. For overnight stays there are campsites (tent sites).
Hours
Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.
| Facility | Days | Hours | Season |
|---|---|---|---|
| Park | Daily | 6 a.m. – 11 p.m. | — |
| Daily | 6 a.m. – 11 p.m. | — | |
| Sat–Sun | 10 a.m. – 2 p.m. | Off-season |
Official wording
Open 6 a.m. to 11 p.m. year-round. Interstate Park is open year-round from 6 a.m. to 11 p.m. During the off-season, the Ice Age Interpretive Center is open Saturdays and Sundays from 10 a.m. to 2 p.m.
Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Chicago).
Pets
Pets allowed on a physical leash no longer than 8 feet at all times and under control; loose pets may be seized. Property-specific pet areas/restrictions appear on park pages.
Statewide rule from Wisconsin's park system (source). This park’s page doesn’t state its own pet rules, so check for local restrictions.
Fees and passes
Per vehicle, resident vs nonresident pricing: a vehicle admission pass is required on all motor vehicles stopping in state parks, forests and recreation areas (daily $13 WI / $16 out-of-state; annual $28 / $50; rates effective Aug. 19, 2025). State trails use a per-person trail pass for certain uses. Heritage Hill SP charges a per-person admission instead.
Statewide fee rule from Wisconsin's park system; this park’s page doesn’t list its own fees.
Wisconsin park passes
- 12-month vehicle admission pass (Wisconsin plates) — $28. All Wisconsin state parks, forests and recreation areas for 12 months Details
- 12-month vehicle admission pass (out-of-state plates) — $50. Same, nonresident vehicles Details
- 12-month pass, Wisconsin residents 65+ — $13. Resident senior vehicles Details
- 12-month reduced-rate pass (additional household vehicle) — $15.50 resident / $32.50 nonresident. Additional vehicles at the same household address; bought with a full-price pass Details
- Daily vehicle admission pass — $13 resident / $3 resident 65+ / $16 nonresident Details
From the Wisconsin state guide. Confirm which passes this park accepts.
Reservations
- Day use
- No day-use reservation requirement mentioned
- Camping
- Required
- Booking system
- Wisconsin State Park System reservations (Camis 'Going to Camp')
- Phone
- 1-888-947-2757
Camping reservations are required and can be made up to 11 months in advance of your planned date of occupancy.
We link to the official booking system rather than showing live availability, which changes minute to minute.
Camping
| Campground or site type | Sites | Hookups / features | Price |
|---|---|---|---|
| Winter camping Winter camping is available at both the group camp and south campground. The group camp is plowed during winter and allows for drive up access to the group camp site. The south campground is available for hike-in, tent camping only from Nov. 15 through April 30. There is parking available outside of the south campground gate. No RV/Camper camping is allowed in the parking lot area permitted to camp RV/Camper camping permitted in this area. No refunds will be issued for RV/motorized campers who make reservations for the south campground from Nov. 15 through April 30. Water is available at the… | — | — |
Camping details from the park
Interstate Park is a popular place for camping, with two campgrounds and a primitive group camp. Campgrounds: The north and south campgrounds have a total of 82 family campsites and two primitive, group campsites. The two group sites can accommodate a total of 60 people. The north campground is open May 1 through Oct. 31. The south campground and group camp are open throughout the year. • North campground map • South campground map Shower facilities are available in the north campground for registered campers. There is a dump station across the road from the Ice Age Center. Winter camping Winter camping is available at both the group camp and south campground. The group camp is plowed during winter and allows for drive up access to the group camp site. The south campground is available for hike-in, tent camping only from Nov. 15 through April 30. There is parking available outside of the south campground gate. No RV/Camper camping is allowed in the parking lot area permitted to camp RV/Camper camping permitted in this area. No refunds will be issued for RV/motorized campers who make reservations for the south campground from Nov. 15 through April 30. Water is available at the Ice Age Interpretive Center when the center is open. Firewood: Ice, firewood and other concessions are available Ice Age Interpretive Center during open hours. A firewood vending machine is available for firewood purchase when the Ice Age Interpretive Center is closed. Don't move firewood!
From the official park page, checked Oct 29, 2026. Site counts and prices can change; confirm when booking.
Things to do
BikingBoatingCanoeing and kayakingCampingFishingHikingHuntingPicnickingRock climbingSwimming
Amenities
Facilities
- Picnic areas
Camping
- Tent camping
✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.
Getting there
- Address
- 851 State Highway 35
St. Croix Falls, WI 54024 - Nearest town
- St. Croix Falls
- Coordinates
- 45.3954, -92.6405
- Phone
- (715) 483-3747
Google Maps directionsApple MapsOfficial park map (PDF)
Directions from the park
Interstate Park is in St. Croix Falls, on Wisconsin Highway 35 just 1/2 mile south of U.S. Highway 8. • Get directions
Nearby state parks
Sources and freshness
- Wisconsin State Park System — park page — last checked Oct 29, 2026
- Wisconsin DNR 'Find a Park' directory (server-rendered Drupal view, ?page=0..5), filtered to /topic/parks/ property pages
- Wikidata
- Photo: Glacial pothole WI.jpg — CC0 1.0 (public domain dedication), Wilson44691
“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology