Discharge from Yellowstone Lake at Fishing Bridge is 1160 cfs.
Hoppers are gaining interest now. Hopper/dropper fishing can be huge fun the middle of the day.
Floating in boats is not allowed on the river, in case you don’t know. Expect to have trout rising to hopper imitations and dry fly patterns – caddis, pale morning duns, gray drake spinner throughout the day. Nymphs that work well are rubber leg Pat’s stones, girdle bugs with dark legs, black and tan N. Fork Specials, double beaded dark stones, Prince nymphs, soft hackled bead heads – brown, gray, peacock, black, or olive. Sizes for dries and nymphs are #6-#24. Have fun!
Yellowstone Lake is open for angling. Fish that if the Yellowstone River cutthroat refuse to eat.
The lake and river is managed for native Yellowstone cutthroat which must be caught and released. Lake trout caught must be killed when caught to protect native Yellowstone cutthroat trout. Releasing lake trout alive is illegal.
Read the regulations regarding fishing tributaries to Yellowstone Lake. Stream closures have been lifted on the tributaries feeding into Yellowstone Lake. The outlets should fish great and there should be some cutthroat in the streams yet.
Surface water temps at the lake is 61 degrees. Fish streamers – woolly buggers, zonkers, muddlers and typical baitfish or leech imitations along the shore line. Beaded nymphs size 8-12 are working well cast out and stripped back. Prince, black North Fork Specials, bloody Mary’s, gold ribbed hares ear soft hackles and soft hackled or standard pheasant tail nymphs also working.
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