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Eastern Sierra Fly Fishing 

Week of May 31, 2025

If you’ve been waiting for the right time to pack your gear and hit the high country — this is it. With warming temps, steady flows, and bugs galore, the Eastern Sierra is waking up fast and fishing beautifully. I’ve been out on the water this week, and the conditions are some of the best we’ve seen all season.

Here’s your full rundown — rivers, lakes, flies, weather, and gear tips — from someone who’s out there living it.

Upper Owens River

The Upper Owens is in prime spring mode — clear water, deep pools, and plenty of action. The cutthroat are actively spawning, so we’re asking everyone to avoid fishing over redds and keep off shallow gravel beds. Let’s protect the future of the fishery.
 

🎯 Where to fish: Focus on deeper pools and undercut banks.
 

🪰 Top flies:

  • Pheasant Tail #14–16

  • Olive Quilldigon #18

  • Pink San Juan Worm

  • Egg patterns
     

Go deep, go slow — and get ready for a surprise bend in the rod.

Lower Owens River (Wild Trout Section)

Flows are up (~280 CFS), and the fish are loving it. The Wild Trout Section near Bishop is producing well, especially during the evening hatch. Dry fly action is picking up around dusk with fish rising to caddis and small mayflies.
 

🕓 Best time: Early morning or evening

🪰 Top patterns:

  • Elk Hair Caddis #16–18

  • CDC BWO #18

  • Zebra Midge #20

  • Flashback PT Nymph #16
     

Bring your dry fly box and a camera — the sunsets down here are unreal this time of year.

Hot Creek

Selective trout, light tippets, and surgical drifts — Hot Creek is technical but rewarding. Fish are rising to BWO and caddis hatches throughout the day. The canyon section is fishing slightly better than the interpretive site due to lower pressure.
 

🪰 Top picks:

  • RS2s #20

  • Olive Caddis Emerger #18

  • Parachute Adams #20

  • Micro Scuds and Midges
     

This is the place to test your skills and earn every take.

East Walker River

Steady flows around 130 CFS are creating ideal conditions on the East Walker. The "miracle mile" is back in play with plenty of bug life and healthy browns and bows feeding deep.
 

🎣 Techniques: Indicator nymphing, Euro nymphing

🪰 Go-to flies:

  • Pheasant Tails #16

  • Midges #18–20

  • Stonefly nymphs

  • Leech patterns (black, olive)
     

Word is, a few anglers are connecting with big boys in the deeper runs below the dam.

Crowley Lake

Fishing is red-hot. Rainbows, browns, and even a few cutts are hitting midges hard at 12–20 feet. Indicator rigs are pulling double-digit numbers in certain zones.
 

🎯 Hot zones:

  • Sandy Point

  • Six Bays

  • Alligator Point

  • Hilton Bay
     

🪰 Fly box must-haves:

  • Blood Midges #14–18

  • Light Assassins #16

  • Mud Candy #16

  • Copper Tigers #16
     

Be ready for the perch to move through — you may need to adjust your depth to stay on the trout.

Bridgeport Reservoir & Twin Lakes

The DFW and the Twin Lakes Trout Foundation have done their jobs — and anglers are reaping the rewards. Trophy rainbows are everywhere, and trollers are bagging 6–10 lb browns on deep-running lures.
 

🎣 Best bets:

  • Trolling Rapalas, Buoyants

  • Soaking nightcrawlers near creek inlets

  • Stripping streamers on full-sink lines
     

Great action, beautiful water, and that crisp mountain air — it doesn’t get much better.

Weather Outlook this week

Expect a full range of mountain conditions this week across the Eastern Sierra.
In Bishop, temperatures will soar into the 90s during the day with warm evenings in the 60s. Mornings are your best window to fish before the heat sets in.
 

Up in Mammoth Lakes, it’s a different story — highs will hover in the mid-70s with crisp overnight lows in the 40s. Afternoon thunderstorms are possible, so it’s wise to pack a light rain jacket and plan around potential cloud build-ups.
 

The Crowley Lake area will offer some of the most pleasant fishing weather this week, with daytime highs in the low 80s and cool mornings in the low 50s. Early sessions will reward you with calm water and cooperative fish, while breezier afternoons may push the bite deeper.

Wherever you're headed, hydrate well, check the hourly forecast, and keep an eye on the sky — especially if you’re out on the lakes or exposed riverbanks.

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