Description - Nelson Dewey State Park is located in southwest Wisconsin along the banks of the mighty Mississippi River. The park features several miles of recreation space, 20 acres of prairie designated during the mid 1950s as a State Natural Area, photogenic views from towering bluffs, and adjacent properties with Stonefield State Historic Site and Wisconsin State Agricultural Museum. River views from the state park extend north and south and into sections of the Upper Mississippi River Wildlife and Fish Refuge, a 100,000 acre tract. The refuge encompasses land from Waubasha to Rock Island protecting migratory birds, native wildlife and fish while providing hunting and fishing opportunities.
- Located in southwest Wisconsin along the Mississippi River awaits a memorable, quiet vacation. Nestled amid the scenic Cassville area, history and nature embrace. Nelson Dewey State Park, Stonefield Historic Site and the Wisconsin State Agricultural Museum offer recreation opportunities where history comes to life and nature soars. The state park boasts spectacular scenery including wildflower prairies, several hiking trails, bluff top campsites, bird watching area, ancient Native American mounds and breathtaking sunsets along the mighty Mississippi.
Campers find approximately 40 campsites, some with electric hookup. Two walk-in sites are available. Sites are located on high hardwood bluffs overlooking the majestic Mississippi River. Conveniences include dump station, showers, flush toilets and trail access. Rustic group camping is available for up to 100 persons. Camping reservations are available online or by calling a toll-free reservation number. Contact information is listed below.
Visitors can tour Stonefield State Historic Site where 30 buildings and numerous educational exhibits depict day-to-day life from the last turn-of-the-century. See the homestead of Nelson Dewey, Wisconsin's first governor and tour the Agricultural Museum to learn how a land of forests and prairies became America's Dairy land.
Eight picnic areas are available to day users. Visitors to the area may also enjoy hiking at nearby Wyalusing State Park and / or Effigy Mounds Park.
Recreation - Folks enjoy camping, hiking, nature study, bird watching, photography, and touring cultural attractions.
Climate - Southwest Wisconsin has four distinct seasons with warm summers and long winters. January's average temperature is above 16 degrees F (-9 degrees C). Average July temperature is 85 degrees F (29 degrees C). During summer, temperatures can climb to above 90 degrees F (32 degrees C). The area's average yearly precipitation ranges from 32-34". Annual snowfalls in the Southwest Region can range from 20 - 40". Dressing in layers is a good way to remain comfortable in Wisconsin.
The park is located along the Mississippi River in southwest Wisconsin immediately northwest of the Cassville.