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Rating depth structure for zander.
Recent public catches load as you reach this section.
119-acre lake in Switzerland. The lake tops out around 52 ft. The depth chart comes from Federal Office of Topography swisstopo (swissBATHY3D) bathymetric survey data, so the contours are survey-derived rather than computer-modeled. What follows comes from the same scoring engine that paints the spots above.
The drawn water covers 114 acres wrapped in 3.3 miles of bank. That shoreline is heavily fingered (development index 2.2) — bays, points and pockets everywhere, which multiplies the fishable edge. About 19% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. The basin spans about 1.6 mi end to end and 0.2 mi across at its widest. Its nearest charted neighbour, Lake Lucerne, is 9 mi to the southeast.
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 12 to 33 ft one. Start at Shallow feeding flat. It's a feeding flat holding about 20 ft of water and rates prime come summer. The feeding windows run early morning. Keep a drop-shot micro plastics or a small crankbait (perch pattern) rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (1 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Shallow feeding flat (20 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | open water | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Shallow feeding flat (20 ft) | Tungsten jig + maggots, Small balance jig |
Spring northern pike on Rotsee 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 feeding flat first on the milk run — a feeding flat near 20 ft that grades prime for summer. 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 (1 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Shallow feeding flat (20 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Shallow feeding flat (20 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (1 ft) | Tip-ups, Large jigging spoon |
When the water first warms, zander slide up into 4 to 15 ft. Summer is a 15 to 35 ft game here, winter a 20 to 40 ft one. Start at Shallow feeding flat. It's a feeding flat holding about 20 ft of water and rates good come summer. The feeding windows run the evening and early morning. Keep a vertical softbait over humps or a deep crankbait rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Main-lake point (1 ft) | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 15 to 35 ft | dusk & dawn | Shallow feeding flat (20 ft) | Vertical softbait over humps, Deep crankbait |
| Fall | 12 to 40 ft | dusk & night | Main-lake point (1 ft) | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Winter | 20 to 40 ft | dusk & dawn | open water | Vertical jig / mormyshka with bait, Slow blade bait |
Come spring, look for common carp tight to the bank in 2 to 10 ft. Expect a summer slide to 3 to 15 ft, then a winter hold in 10 to 30 ft. Start at Shallow bay flat. It's a feeding flat holding about 1 ft of water and rates prime come spring. Prime time lands in early morning and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Shallow bay flat (1 ft) | |
| Summer | 3 to 15 ft | dawn & dusk | Shallow bay flat (1 ft) | |
| Fall | 5 to 18 ft | midday | Shallow feeding flat (20 ft) | |
| Winter | 10 to 30 ft | midday | open water |
The chart marks 6 structure features on Rotsee; the deepest is Deep basin at about 52 ft.
Season dates, license requirements, and size and bag limits for Switzerland waters are set by the Federal Office for the Environment (federal framework; licences and rules are cantonal) — and special regulations can apply to Rotsee specifically, so confirm the current rules before you fish.
Check the official Switzerland fishing regulations →
Rotsee is about 52 ft (16 m) deep at its deepest point. The depth chart comes from Federal Office of Topography swisstopo (swissBATHY3D) bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target european perch, northern pike, zander, common carp on Rotsee.
Shallow feeding flat is the top-rated area: a feeding flat in about 20 ft of water that rates prime for northern pike in summer. The interactive chart above rates every spot for each species and season.
For european perch, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Rotsee is regulated by the Federal Office for the Environment (federal framework; licences and rules are cantonal). Check the official Switzerland regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lake Lucerne 9 mi · Lake Zug 9 mi · Lake Sempach 9 mi · Lake Baldegg 9 mi · Lake Ägeri 15 mi · Lake Sarnen 15 mi · Lake Hallwil 15 mi · Lake Lungern 20 mi · Lake Zürich 25 mi · Lake Brienz 29 mi · Lake Thun 37 mi · Walensee 42 mi
Browse all Switzerland fishing maps. See every water on DepthScout. Bathymetry credit: Federal Office of Topography swisstopo, swissBATHY3D (Open Government Data). 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.