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335-acre lake near Johnsburg. The lake tops out around 40 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. What follows comes from the same scoring engine that paints the spots above.
Traced from the shoreline, Thirteenth Lake runs 325 acres with 4.5 miles of edge. The shoreline is moderately structured (index 1.8) — enough points and pockets to pattern. 12% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. Figure 1.8 mi of water from one end to the other, 1 mi at the beam. Closest neighbour on DepthScout: Lake Adirondack, 9 mi northwest of here.
Spring puts brown bullhead in skinny water — 2 to 8 ft is the zone. As the season builds they drop to 3 to 12 ft, wintering in 10 to 25 ft. Summer brown bullhead concentrate at Back-bay flat, a prime-rated feeding flat around 4 ft. Warm-month bites cluster around after dark and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | dusk & night | Shallow bay flat (2 ft) | |
| Summer | 3 to 12 ft | night & dusk | Back-bay flat (4 ft) | |
| Fall | 5 to 15 ft | dusk | Back-bay flat (4 ft) | |
| Winter | 10 to 25 ft | midday | Deep basin (40 ft) |
In spring, rainbow trout run shallow here, mostly 5 to 20 ft. Midsummer fish sit out in 8 to 30 ft before dropping to 8 to 40 ft for winter. Winter rainbow trout concentrate at Break off the point, a prime-rated drop-off around 34 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a dodger + spoon (deep troll) or a flutter spoon most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (19 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Main-lake point (19 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (19 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (34 ft) | Jigging spoon, Tube jig (white) |
Spring puts brook trout in skinny water — 2 to 15 ft is the zone. Warm water sends them out to 10 to 30 ft; cold water stacks them in 3 to 20 ft. Break off the point is the standout, a drop-off at roughly 34 ft, rated good for summer brook trout. Plan around early morning and the evening in the warm months. A small spoon fished deep or a trolled lake-clear wobbler + worm covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Shallow bay flat (2 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (34 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (19 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Back-bay flat (4 ft) | Small jigging spoon, Tungsten jig + plastic |
When the water first warms, brown trout slide up into 3 to 25 ft. Summer is a 12 to 40 ft game here, winter a 5 to 35 ft one. Start at Break off the point. It's a drop-off holding about 34 ft of water and rates prime come summer. The feeding windows run after dark and early morning. Keep a spoon at the thermocline or a deep stickbait (night) rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Main-lake point (19 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 12 to 40 ft | night & dawn | Break off the point (34 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Main-lake point (19 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 35 ft | dawn | Break off the point (34 ft) | Jigging spoon, Small stickbait (slow) |
7 pieces of structure are mapped here — Deep basin, around 40 ft, is the deepest of them.
Season dates, license requirements, and size and bag limits for New York waters are set by the New York DEC — and special regulations can apply to Thirteenth Lake specifically, so confirm the current rules before you fish.
Check the official New York fishing regulations →
Thirteenth Lake is about 40 ft (12 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target brown bullhead, rainbow trout, brook trout, brown trout on Thirteenth Lake.
Break off the point is the top-rated area: a drop-off in about 34 ft of water that rates prime for brown trout in summer. The interactive chart above rates every spot for each species and season.
For brown bullhead, the summer bite is best in after dark and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Thirteenth Lake is regulated by the New York DEC. Check the official New York regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lake Adirondack 9 mi · Indian Lake 10 mi · Loon Lake 14 mi · Sprague Pond 14 mi · Lewey Lake 14 mi · Lake Durant 17 mi · Schroon Lake 18 mi · Rich Lake 19 mi · Blue Mountain Lake 20 mi · Lake Pleasant 20 mi · Brant Lake 21 mi · Sacandaga Lake 21 mi
See how Thirteenth Lake stacks up: best rainbow trout lakes in New York · best brown trout lakes in New York · best brook trout lakes in New York · best brown bullhead lakes in New York
Browse all New York fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.