Our Mission

Friends of Interstate and Straight Lake Parks is a non-profit organization established with the purpose of supporting, assisting, and promoting the Wisconsin Department of Natural Resources with interpretive, scientific, historical, educational, and related visitor services at Wisconsin Interstate and Straight Lake State Parks.

Learn More

Holiday Gift Ideas

Visit Glacier’s Gifts for some of your Holiday shopping!

Glacier’s Gifts at the Ice Age Center will be open with limited hours now through the holiday season.Β  Stop in to find that perfect nature themed item for a loved one!

An annual Park Pass can be a great gift too!Β  A Wisconsin State Park System vehicle admission sticker is required on all motor vehicles stopping in state parks, forests and recreation areas.

Admission stickers can be purchased online or at most individual properties. (Remember, an annual pass is valid for 12 months from the time of purchase.)

Celebrating 125 Years!

September 20, 2025 marked a special day for Interstate Park.Β  Individuals from around the state and region came to help us celebrate this milestone!

The day was packed with history and programs throughout the park.Β  Park visitors, DNR staff and Wisconsin Governor Tony Evers participated in the day’s festivities.Β  Events included nature journaling, learning to rock climb, guided hikes on the Pothole Trail with the Traprock Chapter of the Ice Age Trail, History of the Wisconsin State Park System, the history of the Silverbrook Mansion, the Civilian Conservation Corp (CCC) and so much more!

The year’s not over, and there’s still more to come.Β  Watch for information on our Annual Meeting and Fall Festival in October!

A few photos from the 125th Celebration!

Check out our latest posts…

Not Just for the Birds!!

Last week during Nature Storytime, kids, moms, dads and grandmas made peanut butter sunflower seed pine cones for the winter birds to eat. After finishing the bird treats, we made homemade waffles for everyone and sang songs. It was a fun thing to do on a cold winter...

Audio Tour Updated!

Interstate park Naturalist, Maia Lieske, has recently updated the audio tour available for Interstate Park with 12 stops throughout the park. You have the opportunity to further explore the beauty and history of the park. In this audio tour, you will learn about the...

Kick off the New Year with a First Day Hike!

Grab your friends, lace up your boots, and start the New Year on the right trail! Join us for our annual First Day Hikeβ€”where the air is fresh, the vibes are cheerful, and the snacks are downright delicious. Warm up around the fire with tasty refreshments as we...

2025 Fall Celebration!

Join us at the Ice Age Center at WI Interstate Park for Family Fun on October 11 between 10:00 am and 2:00 pm. Pothole Trail Guided Hikes (11:00 am, 1:00 pm & 3:00pm).Β  Meet at the Pothole Trailhead Learn about Bats and why we need them! Fun crafts for the kids...

2025 Annual Meeting

Annual Meeting October 9th at the Ice Age Center 5:30 pmProgram starting at 6:30 pm Join us at the Ice Age Center in Interstate Park for a special gathering of Friends. Dinner will be provided by Sir Smokes A Lot, with cake from Dick’s Market served afterward. This is...

Pollinator Prairie Project Underway at Interstate State Park – Donations Welcome!

***If you're interested in donating to this or other pollinator habitat projects at Interstate State Park, please continue reading about our project and instructions for donating. We thought you'd love to hear about our new Friends' of Interstate and Straight Lake...

Explore the beauty of Wisconsin’s Interstate Park!

Calling all nature lovers! Are you looking for a beautiful place to explore, hike, camp, or just relax? Then look no further than Wisconsin's Interstate Park. This stunning park is located on the St. Croix River, straddling the border between Wisconsin and Minnesota....

What to Expect Hiking at Interstate Park

What to Expect Hiking in InterstateInterstate TrailsPothole Trail.4 mile loop The western terminus of the 1,200-mile National Scenic Ice Age Trail and the most geologically unique trail in the park. A short hike to scenic views of the Dalles of the St. Croix River...

Follow us on social media for the latest updates! Our Facebook feed is below.

 

Cover for Friends of WI Interstate State Park and Straight Lake State Park
6,853
Friends of WI Interstate State Park and Straight Lake State Park

Friends of WI Interstate State Park and Straight Lake State Park

We are a non-profit organization established to support the park's naturalist program in its efforts to increase public awareness and appreciation of the park's natural and cultural history.

Glacier Gifts in Wi Interstate Park is a great place to get gifts for the holidays. ... See MoreSee Less
View on Facebook
View on Facebook
Snow on the St. Croix. ... See MoreSee Less
View on Facebook
Nature Storytime at WI Interstate Park upcoming dates.🌿 Nature Story Time at Interstate Park πŸ“šπŸΎJoin us for Nature Story Time β€” happening every Friday from 10–11:30AM at the Ice Age Center in Wisconsin Interstate Park!πŸ‘§πŸ‘¦ Perfect for kids ages 2–7 (with their grown-ups β€” moms, dads, grandmas, and grandpas welcome!)πŸ“– Enjoy nature-themed stories, a fun craft, and a hands-on activity🌲 A great way to get outside, explore, and spark a love of natureπŸ“ State park sticker required for entry🌼 Topics will be posted monthly on the Friends of Interstate Park Facebook and Instagram pages, and on posters around the park, the St. Croix Falls Library, and other local spots.πŸ§‘β€πŸ« Nature Story Time is led by dedicated volunteer Kathy Scharfenberg, who loves helping kids fall in love with the outdoors.πŸ‘‰ Children must be accompanied by an adult. πŸŒžπŸ“šπŸƒ #naturestorytime #interstatepark #ExploreNature #stcroixfalls #wisconsinparks #familyfun #scfwi ... See MoreSee Less
View on Facebook
View on Facebook

Members and Sponsors

City of St. Croix Falls
Wisconsin DNR
Wild Rivers Conservancy
Village Pizzeria
Falls Chamber of Commerce
J&S General Contracting
Village of Osceola, WI
Trollhaugen Ski and Snowboard
Sir Smoke A-Lot's BBQ Pit Stop
Andrie Electric
Osceola Chamber
Ice Age Trail
ABC Building<br />