Cuyahoga Valley National Park in Peninsula, OH, allows leashed dogs on over 110 miles of its pet-friendly hiking trails and 20 miles of the Towpath Trail. Pets are also welcome in the Stanford Campground. Pets must be kept on a leash no longer than six feet long at all times. Fido isn't permitted in any buildings or on the Cuyahoga Valley Scenic Railroad Train. Bring extra water during the summer months, as the area does get hot! Visit Website

Or call (330) 657-2752 or email cuva_info@nps.gov for more information.