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5-acre lake near Cumbria. The lake tops out around 30 ft. This chart interpolates between a real shoreline and a known maximum depth. It will point you at likely water, but it is not a navigation product. Here is how the season plays out for each species, straight from the data behind the map.
The drawn water covers 5 acres wrapped in 0.4 miles of bank. At index 1.3 the outline is almost a bowl — read the depth changes, not the shoreline. 50% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water. It sits in Cumbria. Low Tarn sits 1 mi northeast — the closest neighbouring chart.
Start shallow in spring: brown trout sit in 3 to 25 ft that time of year. Warm water sends them out to 9 to 30 ft; cold water stacks them in 4 to 30 ft. Top water on the chart: Shoreline break, a drop-off in the 14 ft range, prime in summer. Fish it in after dark and early morning and you'll meet the bite. Throw a spoon at the thermocline or a deep stickbait (night) until the fish tell you otherwise.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Shoreline break (14 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 9 to 30 ft chart-limited; documented 25 to 60 ft | night & dawn | Shoreline break (14 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Shoreline break (14 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 4 to 30 ft chart-limited; documented 5 to 35 ft | dawn | Shoreline break (14 ft) | Jigging spoon, Small stickbait (slow) |
When the water first warms, european perch slide up into 3 to 12 ft. Summer is an 8 to 28 ft game here, winter a 9 to 30 ft one. Start at Shallow bay flat. It's a weed flat holding about 4 ft of water and rates prime come spring. The feeding windows run early morning. Keep a drop-shot micro plastics or a small crankbait (perch pattern) rigged through the warm months.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (4 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Deep basin (26 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 9 to 30 ft chart-limited; documented 10 to 33 ft | midday | Deep basin (26 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 9 to 30 ft chart-limited; documented 12 to 33 ft | midday & dawn | Deep basin (26 ft) | Tungsten jig + maggots, Small balance jig |
Spring northern pike on Greendale Tarn hold shallow, usually 2 to 8 ft. They move out to 8 to 20 ft in summer and finish the year down in 5 to 15 ft. Put Shallow bay flat first on the milk run — a weed flat near 4 ft that grades prime for spring. The feeding windows run early morning and the evening. The summer box starts with a bucktail or a weedless spoon over cabbage.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (4 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Shoreline break (14 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Shoreline break (14 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (4 ft) | Tip-ups, Large jigging spoon |
Spring puts arctic char in skinny water — 4 to 15 ft is the zone. As the season builds they drop to 9 to 30 ft, wintering in 8 to 30 ft. Summer arctic char concentrate at Deep basin, a prime-rated deep basin around 26 ft. Warm-month bites cluster around early morning. A jigging spoon vertical or a tube jig (smelt) covers the summer program.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | midday & dawn | Shoreline break (14 ft) | Small casting spoon (silver/orange), Jerkbait (small) |
| Summer | 9 to 30 ft chart-limited; documented 20 to 60 ft | dawn | Deep basin (26 ft) | Jigging spoon vertical, Tube jig (smelt) |
| Fall | 8 to 30 ft | midday & dusk | Shoreline break (14 ft) | Casting spoon (orange/gold), Beadhead streamer |
| Winter | 8 to 30 ft chart-limited; documented 10 to 40 ft | midday & dawn | Deep basin (26 ft) | Jigging spoon (glow/silver), Tungsten jig + plastic |
Count 3 structure marks on this chart. The deepest, Deep basin, sits near 26 ft.
Greendale Tarn is about 30 ft (9 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
Anglers target brown trout, european perch, northern pike, arctic char on Greendale Tarn. This isn't a survey of the water — none is published for it — but an informed estimate from the species common to the region, narrowed by this water's depth, size and each species' range.
Shallow bay flat is the top-rated area: a weed flat in about 4 ft of water that rates prime for european perch in spring. The interactive chart above rates every spot for each species and season.
For brown trout, the summer bite is best in after dark and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Low Tarn 1 mi · Wast Water 1 mi · Scoat Tarn 2 mi · Burnmoor Tarn 3 mi · Ennerdale Water 5 mi · Buttermere 6 mi · Crummock Water 7 mi · Dock Tarn 9 mi · Loweswater 9 mi · Blea Tarn 10 mi · Derwent Water 11 mi · Thirlmere 12 mi
See how Greendale Tarn stacks up: best northern pike lakes in United Kingdom · best european perch lakes in United Kingdom · best brown trout lakes in United Kingdom · best arctic char lakes in United Kingdom
More water nearby: Cumbria fishing maps (32 charts). Browse all United Kingdom fishing maps. See every water on DepthScout. 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.