Umbagog Lake
Fly fishing in Maine · Intermediate · Best seasons: Spring, Summer, Fall
Target Species
Landlocked Salmon, Brook Trout, Smallmouth Bass
About This Water
Border lake with landlocked salmon, brook trout, and smallmouth bass. National Wildlife Refuge.
Fishing Recommendations
Welcome to one of the most rugged and beautiful fisheries in the Northeast. As a guide, I consider Umbagog Lake a "transition" water. It sits on the border of Maine and New Hampshire and serves as the gateway to the Northwoods. Unlike the deep, glacial lakes further north, Umbagog is relatively shallow (averaging 15 feet), which makes it a biological powerhouse.
Here is your comprehensive guide to fly fishing Umbagog Lake.
🎣 Location Overview
Umbagog (an Abenaki word for "shallow water") is the centerpiece of the Umbagog National Wildlife Refuge. It is unique because it lacks the massive shoreline development found on other large Maine lakes. It is wild, pristine, and teeming with wildlife; it’s common to see more bald eagles and moose than other anglers.
The lake is the headwaters of the Androscoggin River and is fed by the Magalloway River. This confluence of moving and still water creates a dynamic ecosystem. Because it is shallow, the water warms faster than Moosehead or Rangeley, leading to incredible insect hatches and a world-class Smallmouth Bass fishery, while still providing "highways" for cold-water salmonids moving between rivers.
🐟 Target Species & Behavior
Smallmouth Bass
This is arguably the best fly-rod Smallmouth destination in Maine. They are aggressive, numerous, and grow large on a diet of crayfish and yellow perch.
- Behavior: They hug the rocky shorelines, submerged timber, and the edges of the "floating islands" (massive peat mats that drift around the lake).
- Feeding: They look up. Umbagog Smallies are famous for taking topwater flies even in midday.
Landlocked Salmon
While Umbagog isn't as deep as traditional salmon lakes, it acts as a staging area.
- Behavior: In early spring, they chase smelt in the shallows. As the water warms, they retreat to the deeper "trench" or hover near the oxygenated inflows of the Magalloway.
- Feeding: Primarily smelt-focused. They are sleek, fast, and aerial fighters.
Brook Trout
The "Brookies" here are often wild and can reach impressive "trophy" sizes.
- Behavior: They are temperature-sensitive. In spring and fall, they cruise the shorelines. In the heat of summer, they stack up in "spring holes" or move into the deeper, colder sections of the Magalloway River.
📅 Best Times to Fish
- Spring (Ice-out to Mid-June): The Trophy Window. This is the best time for Landlocked Salmon and Brook Trout. As soon as the ice breaks, fish are in the top 5 feet of the water column. Smallmouth become active in late May as they move toward spawning flats.
- Summer (July - August): The Bass Peak. While the trout/salmon fishing slows down (requiring deep sinking lines or moving to the rivers), the Smallmouth fishing is world-class. Focus on low-light hours (dawn/dusk) for the best topwater action.
- Fall (September - October): The River Run. As water temperatures drop, Salmon and Brook Trout begin their spawning migrations. The mouths of the Magalloway and the Rapid River become hotspots. The Brook Trout take on vibrant spawning colors.
🪰 Recommended Flies & Techniques
For Smallmouth Bass
- Topwater: BoogleBugs (size 4), standard Poppers, and Dahlberg Divers.
- Subsurface: Gamechangers (white/chartreuse), Clouser Minnows, and Near Nuff Crawfish.
- Technique: Fish the "ledge" where the shallow rocky flats drop off into deeper water. A "pop-and-pause" retrieve is deadly here.
For Landlocked Salmon & Brook Trout
- Streamers: The Grey Ghost, Black Ghost, and Governor Aiken are Maine classics that still dominate here. Modern patterns like the Joe’s Smelt or soft-hackle streamers also work well.
- Dry Flies: During the June Hexagenia (Hex) hatch, use large Yellow Mayfly patterns. For standard hatches, Adams, Elk Hair Caddis, and Stimulators (size 12-16).
- Technique: In the lake, "trolling" a fly line behind a canoe or kayak is highly effective. In the river sections, use a "down and across" swing with a streamer.
💡 Pro Tips & Local Knowledge
- The Floating Islands: Umbagog is famous for its floating peat islands. These provide incredible overhead cover. If you find a floating island near a drop-off, you’ve found a Smallmouth goldmine.
- The "Magalloway Mouth": This is the most productive area for multi-species. The current brings food to the bass, while the cooler river water holds the trout.
- Watch the Wind: Because Umbagog is shallow, it can go from glass to dangerous 3-foot whitecaps in thirty minutes. If you see the wind picking up from the Northwest, head for the lee side or the rivers immediately.
- Stealth Matters: The water is often very clear. Long leaders (9–12 feet) and a quiet approach in a canoe or kayak will significantly increase your hook-up rate compared to a loud gas motor.
⚠️ Important Information
- Access: The best access is via Umbagog Lake State Park (NH side) or the public boat launch in Errol, NH. Most of the lake is in Maine, but the primary access points are often just over the border.
- Regulations: Umbagog straddles the Maine/NH border. Usually, a license from either state is valid on the lake body, but be careful: if you move into the river tributaries (like the Magalloway or Androscoggin), you must have the license for that specific state.
- Mercury Advisory: Like many Maine waters, there are consumption advisories. This is primarily a Catch & Release fishery for fly anglers to preserve the wild genetics.
- Gear Recommendation: A 6-weight rod is the "Swiss Army Knife" for Umbagog. It’s heavy enough to throw bass poppers and fight the wind, but sensitive enough to enjoy a 14-inch Brook Trout.
Guide’s Final Word: Bring your binoculars. You’ll come for the fishing, but you’ll remember the loon calls and the sight of a moose feeding in the shallows as much as the fish you landed. Tight lines!
Bug Hatches & Matching Flies
| Hatch | Type | Peak months | Time of day | Hook sizes | Matching flies |
|---|---|---|---|---|---|
| Hexagenia (The Hex) Hexagenia limbata | mayfly | June, July | Dusk/Evening | #6-10 | Hexagenia Dry #6-8, Hex Nymph #8-10, Wiggle Frenchman #8 |
| Alderfly Sialis sialis | caddis | June | Morning/Afternoon | #10-14 | Alder Fly #12, Z-Caddis #12-14, Dark Montana Nymph #10-12 |
| Blue-Winged Olive (BWO) Baetis / Drunella | mayfly | May, September, October | Afternoon | #18-22 | Parachute Adams #18-22, RS2 #20, Pheasant Tail #18-20 |
| Damselfly Enallagma / Ischnura | terrestrial | June, July, August | Morning/Afternoon | #10-14 | Marabou Damsel #10-12, Adult Damsel Blue #12, Burk's Damsel #12 |
| White Fly Ephoron leukon | mayfly | August | Evening | #12-14 | White Wulff #12, Ephoron Spinner #14, Light Cahill #14 |
| Flying Ants Formicidae | terrestrial | August, September | Afternoon | #14-20 | Black Foam Ant #16-18, Cinnamon Flying Ant #14-16, Fur Ant #18 |
| Trico Tricorythodes | mayfly | July, August, September | Morning | #20-24 | Trico Spinner #22, Trico Drowned Spinner #22, Griffith's Gnat #20-22 |
| Spotted Sedge Hydropsyche | caddis | June, July | Evening | #14-16 | Elk Hair Caddis #14-16, LaFontaine's Deep Sparkle Pupa #14, Caddis Emerger #16 |