NATIONAL PARKS:

NATIONAL FORESTS:

STATE PARKS:

State parks in Ohio Catawba Island, Crane Creek, East Harbor, Grand Lake St. Marys, Harrison Lake, Independence Dam, Kelleys Island, Lake Erie Islands, Lake Loramie, Marblehead Lighthouse, Mary Jane Thurston, Maumee Bay, South Bass Island, Van Buren, Beaver Creek, Cleveland Lakefront, Findley, Geneva, Guilford Lake, Headlands Beach, Jefferson Lake, Lake Milton, Malabar Farm, Mohican, Mosquito Lake, Nelson Kennedy Ledges, Portage Lakes, Punderson, Pymatuning, Quail Hollow, Tinker's Creek, West Branch, Alum Creek, A.W. Marion, Buckeye Lake, Deer Creek, Delaware, Indian Lake, Madison Lake, Mt. Gilead, Adams Lake, Buck Creek, Caesar Creek, Cowan Lake, East Fork, Hueston Woods, John Bryan, Kiser Lake, Little Miami, Paint Creek, Rocky Fork, Stonelick, Sycamore, Barkcamp, Blue Rock, Burr Oak, Dillon, Forked Run, Great Seal, Hocking Hills, Jackson Lake, Lake Alma, Lake Hope, Lake Logan, Lake White, Muskingum River, Pike Lake, Salt Fork, Scioto Trail, Shawnee, Strouds Run, Tar Hollow, Wolf Run

TRAILS:

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

Buckeye Trail, Follow the Blue BlazesImagine hiking for days along the towpath of a 19th century canal, where even the memories of the old wooden barges do not disturb the now still waters.

Hocking Hills Hiking MapsAsh Cave, Cedar Falls, Cantwell Cliffs, Conkle's Hollow, Old Man's Cave, Rock House

OTHER INFO:

Ohio Lakes

Ohio Beaches

Ohio Campgrounds

Whitewater in Ohio

Nomba 
Northeast Ohio Mountain Bike Association

Miami Valley Cross Country Ski Club 
Miami Valley Cross Country Ski Club in Dayton, Ohio promotes local and other organized ski trips.