It is stocked annually with steelhead and trout by the Pennsylvania Fish Commission. Twentymile Creek is an approved trout water, so its fishing can be good throughout the year. Steelhead run into Twentymile all the way to New York, but not many anglers venture up that far to fish.
Twentymile Creek is stocked annually by the Pennsylvania Fish Commission with steelhead and trout, making it a suitable location for fishing throughout the year. The migration of steelhead from their spawning grounds in Pennsylvania to Twentymile Creek extends all the way to New York.