Wisconsin's Interstate, the larger of the two, is the state's oldest state park, established in 1900, and is still one of its finest.

Established in 1900, the 1,300 acre Interstate State Park is a Wisconsin original. "We have over nine miles of summer hiking trails, and an additional nine for winter trails. 82 campsites.

Construction started in late May on the Minnesota side of the park to replace the entrance and campground roads. The campground was expected to re-open in late June.

MADISON - The Wisconsin State Park System is celebrating a big milestone in 2025: 125 years since the opening of the first state park in northwestern Wisconsin, Interstate State Park. Here's what ...

Since 1900, Wisconsin has established 50 state parks, 44 state trails, 15 state forests, 9 state recreation areas and 8 river and resource areas.

The park segment that is north of the interstate is a little more removed from the highway traffic noise and has a small campground and spring-fed swimming pond.

It is the first park in the United States to be located in two states, Minnesota and Wisconsin, with the St. Croix River serving as the border.

Interstate State Park straddles the St. Croix just south of Taylors Falls and includes state parks of the same name in both Minnesota and Wisconsin.

Minnesota's Backyard: River views, billion-year-old rock formations draw visitors to Interstate State Park The border between Minnesota and Wisconsin here was formed by a combination of molten ...