South of Carlisle, the Letort Spring Run is famous for wild brown trout. It is a spring-fed, limestone creek with a slow, grassy flow about twenty feet wide.
Fly fishing the Letort Spring Run is best known for the 1.5 mile Heritage Trout Angling section south of Bonny Brook Road. This catch-and-release section starts about 300 yards upstream of TR481 heading downstream to the railroad bridge on the south side of Letort Springs Park near Carlisle. Most of the fly fishing on the Letort Spring Run is done from June to September during the prolific trico hatches.
Overall, Letort Spring Run is the 18th most popular fly fishing river of all 49 fly fishing spots in Pennsylvania.
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For fly fishing the Letort Spring Run in Pennsylvania, our printable fly fishing guides offers river descriptions, maps, lodging suggestions, driving directions, levels of difficulty and points-of-contact.