NATIONAL PARKS:

Indiana Dunes National LakeshorePorter, IN

NATIONAL FORESTS:

STATE PARKS:

State Parks in Indiana Bass Lake State Beach, Brown County, Chain O' Lakes, Charlestown, Clifty Falls, Falls of the Ohio, Fort Harrison, Harmonie, Indiana Dunes, Lincoln, McCormick's Creek, Mounds, Ouabache, Pokagon, Potato Creek, Shades, Shakamak, Spring Mill, Summit Lake, Tippecanoe River, Turkey Run, Versailles, Whitewater Memorial, White River

TRAILS:

Indiana Trails
Huge database of hiking trails covering every state in the union.

OTHER INFO:

Indiana Campgrounds

Indiana Lakes

Indiana Beaches

Indiana Marinas

Whitewater in Indiana