From the Wabash River to Patoka River/Lake to the Hoosier National Forest, scenic trails and preserves abound.
Hike the central road of Dogwood Lake at Glendale FWA, SE of Washington, IN.
https://www.in.gov/dnr/fish-and-wildlife/properties/glendale-fwa/
The 6 mile main trail is rugged, providing a view of Totem Rock. Patoka Lake is south of French
Lick, IN.

https://www.in.gov/dnr/state-parks/parks-lakes/patoka-lake/
The Snakey Point Marsh offers trails and road hikes in Patoka River Wildlife Refuge, north of Evansville.

Spring Mill State Park, south of Bedford, IN, is one of the largest Indiana State Parks with an inn and extensive hilly, wooded hiking trails.


https://www.in.gov/dnr/state-parks/parks-lakes/spring-mill-state-park/
Southwest of Bedford, IN, adjacent to Hoosier National Forest, Martin State Forest offers a variety of moderate to challenging hikes in the forested hills.

https://www.in.gov/dnr/forestry/properties/martin-state-forest/
1 mile old growth forest trail south of Bedford, IN. (Pioneer Mothers Memorial)

https://www.fs.usda.gov/recarea/hoosier/recarea/?recid=41586
Tipsaw Trail is 6 miles long in rugged country near Tipsaw Lake in the southern Hoosier National Forest, 20 miles north of the Ohio River.
https://www.fs.usda.gov/recarea/hoosier/recarea/?recid=41500
West of Jasper, IN, Pike State Forest encompasses the bottomlands of the Patoka River and small hills.

https://www.in.gov/dnr/forestry/properties/pike-state-forest/
South of Evansville on the banks of the Wabash River, Harmonie State Park offers moderately rugged woods hiking.
https://www.in.gov/dnr/state-parks/parks-lakes/harmonie-state-park/
South of Jasper, IN, Lincoln State Park offers 10 miles of hiking trails in varied areas.
https://www.in.gov/dnr/state-parks/parks-lakes/lincoln-state-park/
Short hike in community park and adjacent neighborhoods in Evansville.

https://www.visitevansville.com/sports/price-park
Challenging hike through creek bottoms and steep cliffs, west of Louisville.

https://www.crawfordcountyindiana.com/attractions/park-scenic/yellow-birch-ravine/
Off-road vehicle park, with some trails open to hikers on this formerly strip-mined site. Northeast of Evansville.

https://www.in.gov/dnr/outdoor-recreation/properties/interlake-state-recreation-area/
Vincennes community park with Wabash River and woods trails.