Humpy
The Humpy is the cork of dry flies - a deer-hair-backed bug built to survive white water that drowns everything else, beloved on steep western freestones.
Some rivers never stop churning - and on them the Humpy earns its cult: a hump of hollow deer hair pulled over the body makes a fly that simply refuses to drown, bobbing through chunks of whitewater where high-country trout make snap decisions. It imitates nothing and suggests everything, at full speed.
What it imitates
General attractor - beetle-ish, caddis-ish, 'fat drowned something' - the shape reads as calories in fast water.
When & where it wins
Steep freestone and pocket water, high-country streams, big rough riffles; the fly for water that eats Adamses.
How to fish it
Pocket-pounding like the Wulff: short drifts through every soft spot, high-stick to keep line off conflicting currents. It'll still be floating when you lift it.
Sizes & variants
10-16 in yellow, red, royal; the Double Humpy handles genuinely absurd water.
Tying notes
Notoriously fiddly - the deer-hair hump tests proportions; buying Humpies is a respected tradition even among tyers.
Common mistakes
Fishing it on glassy flats (gets studied and refused), and not fishing it at all because the water looks 'too rough' - that's Humpy water by definition.