The Tenth Doctor spends time traveling alone.
Cowan Lake State Park is a 1775 acre Ohio state park in Clinton County , Ohio , in the United States .. Cowan Lake. Cowan Lake ( Ohio ). Clinton. Clinton County, Ohio. Ohio state park. List of Ohio state parks. Clinton County. Clinton County, Ohio. Ohio. Ohio. It is operated by the Ohio Department of Natural Resources .. Ohio Department of Natural Resources. Ohio Department of Natural Resources. Ohio. Ohio. Cowan Lake State Park is open for year-round recreation and is known for a variety of birds that attract birdwatching enthuiasts to the park in southwestern Ohio .. Cowan Lake. Cowan Lake ( Ohio ). Ohio. Ohio