524 Fulling Mill Olive Dun
This winged traditional dry fishing fly represents the Olive Duns that can be found hatching on rivers from May through to late October. When fishing the dry artificial pay close attention to the size of the naturals as sometimes the fish can get very selective. Fish it as a single fly on a floating line after treating the hackle with floatant.
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Fly Details For Success
- When: All Season
- Where: Rivers
- What: Trout Grayling
- How: Floating Line

At Hartley Fly we seek the best products for your fly fishing success.
We work hard with Fulling Mill who source materials and use processes
that are the absolute best in the business, never compromising quality.
Because to us, quality is not only how well your fishing flies perform and
hold up, but also exactly how they're tied.