NATIONAL PARKS:

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 Lakes

Indiana Beaches

Indiana Campgrounds

Whitewater in Indiana

Indiana Online: Travel Info: Madison County Camping Information 
Camping in Anderson and Madison County

Reservoirs in Indiana
Brookville Lake, Cagles Mill Lake, Cecil M. Harden Lake, Hardy Lake, Huntingon Lake, Mississinewa Lake, Monroe Lake, Patoka Lake, Salamonie Lake