Helena Area Reservoirs Fishing Report — August 10, 2026
Walleye, rainbow trout, and kokanee salmon are all actively biting across Canyon Ferry, Hauser, and Holter reservoirs. Whether you’re trolling deep water or vertical jigging the bays, here is the latest breakdown on depths, gear, and hot spots from FWP.
What to Expect on the Helena Chain This Week
The Missouri River reservoir chain — Canyon Ferry, Hauser, and Holter — forms one of the most productive multi-species fisheries in the northern Rockies. Sitting at different elevations and featuring distinct structures, each reservoir fishes a little differently even when conditions look similar on paper. In mid-August, water temperatures in the shallows tend to peak, which pushes fish into predictable patterns: walleye stack on structure in moderate depths, trout seek cooler thermal layers, and kokanee salmon school tightly in the water column between early morning feeding windows. Knowing those patterns — and adjusting depth and presentation accordingly — is the difference between a slow day and a full cooler.
Canyon Ferry: Walleye fishing continues to provide great results throughout the reservoir. On the south end try from the Silos to Ponds 3 and 4 in 15 to 20 feet of water, mid reservoir try Beaver Creek Bay, Snaggy Bay and both shorelines up to Gull Island in 20 to 30 feet of water. The north end is producing in Hellgate Bay, Avalanche and off of points in the main reservoir. Bottom bouncers with slow-death rigs or worm harnesses in perch, purple or pink spinner blade colors. Various colored jigs and crankbaits have been working as well, especially on the north end. An occasional perch is being caught by anglers using walleye rigs in these same areas. Some anglers are finding rainbows while fishing with walleye gear, lures or cowbells in the traditional walleye spots as well as the north end of the reservoir between Avalanche and Cemetary Island while trolling cowbells or deep diving rapalas in green/yellow or blue/white colors. Shore fishing is slow. Troy Humphrey, FWP, Helena
Hauser: Walleye fishing has been good in the Causeway arm, around the Eldorado tailings, and near other points and weed beds between York Bridge and Soup Creek. Trolling bottom bouncers with perch-colored spinner rigs has been working well. Some anglers are finding a few nice walleye while vertical jigging with dark-colored hair jigs. A few perch are being caught while fishing for walleye. Rainbow fishing continues to be good below Canyon Ferry Dam while using various streamers or nymphs. Trolling flashers and spinner combos tipped with worms has been producing good numbers of trout in the early morning while fishing around the cliffs across from Lakeside, between the powerlines and Black Sandy, and near the Dam. Chris Hurley, FWP, Helena
Holter: Some nice walleye and a few perch are being picked up on the lower end of the reservoir while vertical jigging or trolling slow death rigs around various points and weed beds. The Clay Banks and the Oxbow Bend area has been popular for walleye anglers, and some of the west shore bays and other weed beds in the Canyon are producing walleye while using slip bobbers and leeches. Kokanee fishing has been best during the early morning hours between Log Gulch and the Dam while trolling cowbells or dodgers with hoochies or wedding rings tipped with maggots or corn. Anglers are finding salmon between 40 and 90 feet deep. Rainbow fishing has been awesome while trolling cowbells and spinner combos between 15 and 40 feet deep across from Cottonwood Creek and between Split Rock and the Dam. Anglers fly fishing on the upper end of the reservoir are catching some nice trout with dark-colored nymphs or streamers. Chris Hurley, FWP, Helena
Canyon Ferry: Montana’s Workhorse Reservoir
Canyon Ferry is the largest of the three reservoirs and consistently ranks among the top walleye fisheries in Montana. At roughly 35 miles long, it offers a huge variety of structure — shallow bays, rocky points, submerged creek channels, and open flats — which means fish can be found at different depths and locations depending on the time of day and season.
Right now, the slow-death rig is the technique worth mastering if you haven’t already. The rig uses a bent hook threaded through a nightcrawler so it rotates slowly as it’s dragged behind a bottom bouncer — the subtle, rolling action triggers neutral or finicky walleye that might ignore a standard worm harness. Perch, purple, and pink blade colors have been the call this week, but it’s worth rotating through a few options until you find what the fish want on a given day.
The fact that rainbows are showing up on walleye gear is a reminder that Canyon Ferry holds a genuinely mixed bag. If you’re rigging cowbells or deep-diving Rapalas in green/yellow or blue/white, don’t be surprised to mix species throughout a trolling pass on the north end. That’s not a problem — it’s a bonus. Just be sure you’re aware of any species-specific limits before you head out, and always check current FWP regulations for Canyon Ferry before your trip.
Hauser: Structure Fishing and Early-Morning Trout
Hauser is the smallest reservoir in the chain but punches well above its weight, particularly for walleye and rainbow trout. Its relatively compact size means structure like the Eldorado tailings, submerged weed beds, and the Causeway arm concentrate fish in predictable locations — which makes it an excellent reservoir to learn if you’re newer to the chain.
Dark-colored hair jigs have been producing walleye on the vertical jigging bite, which rewards anglers who slow down and work a spot methodically rather than covering water. Drop straight down to bottom, lift slowly, and let the jig flutter back. Walleye often hit on the fall. The perch-colored spinner rigs trolled on bottom bouncers are a reliable go-to and worth having pre-tied and ready.
Below Canyon Ferry Dam, the tailwater stretch is worth noting for fly anglers. The cold, oxygenated water discharged from the dam creates prime trout habitat year-round, and mid-August often finds fish stacked in the current seams and along the bank structure. Streamers and nymphs are both producing — match your presentation to the clarity and flow of the water on the day you’re fishing. Early morning is the clear winner for the trolling bite on the trout side, so plan to be on the water at first light if rainbows are your primary target.
Holter: The Kokanee Sleeper of the Chain
Holter Reservoir often plays second fiddle to Canyon Ferry in fishing conversations, but that undersells it significantly — especially for kokanee salmon and trophy rainbow trout. The lower canyon section of Holter features dramatic scenery and excellent structure, and for anglers willing to make the run from Log Gulch down toward the dam, the kokanee bite has been consistent.
Kokanee are landlocked sockeye salmon, and they fish very differently from walleye or trout. They school tightly in the water column and can be notoriously finicky about presentation. The key is finding the depth where they’re holding — right now that’s somewhere between 40 and 90 feet — and keeping your gear right in that zone. A quality fishfinder makes a significant difference. Once you mark fish, dial in your downriggers or leadcore to put cowbells, dodgers, hoochies, or wedding rings right in front of them. Maggots and corn as tipping bait remain the classic kokanee attractants, and for good reason: they work.
Timing matters as much as depth with kokanee. The early morning window — roughly first light to mid-morning — is when they’re most active and feeding aggressively near the surface of their holding zone. As the sun rises and the surface warms, they tend to go deeper and become less active. Plan accordingly and be on the water early.
The rainbow trout bite on Holter is also notable right now. Trolling cowbells and spinner combos between 15 and 40 feet deep has been producing well from Cottonwood Creek to the dam. For fly anglers, the upper reservoir offers a quieter, more traditional experience, and dark nymphs and streamers have been the ticket for some quality fish. The upper end’s slower water and weed structure create ideal conditions for sight fishing and methodical nymph presentations.
Practical Tips for Fishing the Helena Chain in August
Timing Your Trip
Mid-August heat can make midday fishing tough across all three reservoirs. Early morning and evening are almost always the most productive windows — both for fish activity and angler comfort. Plan to be on the water at first light and consider heading in during the hottest part of the afternoon before returning for an evening session.
Gear Essentials
If you’re targeting multiple species across these reservoirs, versatility is your friend. A medium-action trolling rod paired with a line counter reel lets you target both walleye and trout at precise depths. For vertical jigging, a slightly lighter, more sensitive rod helps you feel subtle bites on hair jigs. Keep a selection of bottom bouncers in various weights on hand — the right weight depends on boat speed and depth, and you’ll want to adjust throughout the day.
Access and Boat Ramps
Canyon Ferry has multiple public boat ramps managed by FWP and the Bureau of Reclamation, including access points at White Earth, Silos, Godfrey’s, and the north end near Hellgate. Hauser access is available at Black Sandy State Park, which offers a paved ramp and camping. Holter has access at Log Gulch and Wolf Creek Bridge. Weekends in August can be busy — launching early helps you avoid congestion and puts you on the water during the best fishing hours anyway.
Regulations Reminder
Species-specific regulations on the Helena chain can vary by reservoir and are subject to change. Always check the current Montana FWP fishing regulations before heading out, particularly for walleye slot limits, kokanee retention rules, and any updated closures. Regulations are available at fwp.mt.gov and at most local sporting goods stores in Helena.
The Bottom Line
All three Helena area reservoirs are fishing well right now, with walleye spread across Canyon Ferry, Hauser, and Holter, a strong rainbow trout bite on all three, and kokanee salmon delivering a reliable early morning show at Holter. Focus on early morning starts, match your depth to the target species, and rotate presentations until you find what’s working on a given day. With three productive reservoirs within easy reach of Helena, there’s no shortage of opportunity this week.
Montana's outdoor week, in your inbox at 7am Friday.