Esofea/Rentz Memorial Park is Vernon County’s oldest and most historic park. Situated on 148 acres in the Town of Jefferson, Esofea Park has 16 rustic sites, 2 electric and water sites, and 10 full hookup RV sites - advance reservations require a two night minimum. Esofea has more than 3 miles of hiking trail, a picnic shelter, a spring trout pond, large open areas for softball or kickball or...