Near Grand Valley, the Caldwell Creek is a scenic forested river with wild and previously stocked brown trout. The headwaters are at the confluence of Upper Caldwell Creek and West Branch of Caldwell Creek. It flows downstream 10 miles to the Pine Creek confluence. Fly fishing the Caldwell Creek is known for its native brook trout and some wild brown trout. There is a 1.4 mile long Delayed Harvest Fly Fishing Only section from Selkirk Road (SR3004) bridge downstream to Dottyville Hill bridge. There is good fly fishing access for Caldwell Creek off Dottyville Hill Road (T304).
By the way, there is good fly fishing on the West Branch of Caldwell Creek. There is a 3.6 mile Catch-and-Release section from Three Bridge Run downstream to West Branch bridge. The bridges for T304 and T357 provide fly fishing access to the West Branch of Caldwell Creek.
Overall, Caldwell Creek is the 30th most popular fly fishing river of all 49 fly fishing spots in Pennsylvania.