Tying the Copper John Fly Pattern

Mar 24, 2026 https://www.tu.org/magazine

The Copper John is a highly effective fly pattern, ideal for imitating mayflies or stoneflies in fast-moving water. Created by John Barr in the 1990s, this pattern has become a staple in many fly fishermen's boxes. With its fast-sinking properties and attractive design, the Copper John is a great choice for spring fishing, and can be tied using a few simple tips and techniques.