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7,181-acre river near Werkendam. The river tops out around 44 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. The rest of this page walks each species through its year, using the map's own scoring.
On the chart, Boven- en Beneden Merwede draws 9,486 acres inside 51.7 miles of shoreline, with a single island in the mix. That shoreline is heavily fingered (development index 3.8) — bays, points and pockets everywhere, which multiplies the fishable edge. Roughly 64% of the water is 15 ft or less, the band where the food chain lives. Tip to tip the water measures near 16.4 mi with a 3.2-mi widest point. Closest neighbour on DepthScout: Dordtse Biesbosch, 5 mi southwest of here.
Vis- en dieptekaart van Boven- en Beneden Merwede, Nederland: gemeten dieptelijnen (Rijkswaterstaat) tot 13 m, met visstekken voor baars, snoekbaars, snoek. De dieptelijnen zijn berekend uit gemeten bodemhoogten van Rijkswaterstaat en het officiële lokale streefpeil (NAP). Gebruik de kaart als visgids, nooit voor navigatie.
The spring pattern is a shallow one: european perch in 3 to 12 ft. As the season builds they drop to 8 to 28 ft, wintering in 12 to 33 ft. Top water on the chart: Measured depth break, a drop-off in the 27 ft range, prime in summer. Time it for early morning. Summer baits: a drop-shot micro plastics or a small crankbait (perch pattern) gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Measured shallow feeding flat (12 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Measured depth break (27 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Measured depth break (27 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Measured submerged high spot (27 ft) | Tungsten jig + maggots, Small balance jig |
The spring pattern is a shallow one: zander in 4 to 15 ft. As the season builds they drop to 15 to 35 ft, wintering in 20 to 40 ft. Top water on the chart: Measured submerged high spot, an offshore hump in the 27 ft range, prime in summer. Time it for the evening and early morning. Summer baits: a vertical softbait over humps or a deep crankbait gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Measured depth break (15 ft) | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 15 to 35 ft | dusk & dawn | Measured submerged high spot (27 ft) | Vertical softbait over humps, Deep crankbait |
| Fall | 12 to 40 ft | dusk & night | Measured depth break (27 ft) | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Winter | 20 to 40 ft | dusk & dawn | Measured submerged high spot (27 ft) | Vertical jig / mormyshka with bait, Slow blade bait |
Start shallow in spring: northern pike sit in 2 to 8 ft that time of year. Warm water sends them out to 8 to 20 ft; cold water stacks them in 5 to 15 ft. Top water on the chart: Measured depth break, a drop-off in the 15 ft range, prime in fall. Fish it in early morning and the evening and you'll meet the bite. Throw a bucktail or a weedless spoon over cabbage until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Measured shallow feeding flat (4 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Measured depth break (15 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Measured depth break (15 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Measured shallow feeding flat (12 ft) | Tip-ups, Large jigging spoon |
Spring puts common carp in skinny water — 2 to 10 ft is the zone. As the season builds they drop to 3 to 15 ft, wintering in 10 to 30 ft. Spring common carp concentrate at Measured shallow feeding flat, a prime-rated feeding flat around 4 ft. Warm-month bites cluster around early morning and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Measured shallow feeding flat (4 ft) | |
| Summer | 3 to 15 ft | dawn & dusk | Measured shallow feeding flat (12 ft) | |
| Fall | 5 to 18 ft | midday | Measured shallow feeding flat (12 ft) | |
| Winter | 10 to 30 ft | midday | open water |
The chart marks 12 structure features on Boven- en Beneden Merwede; the deepest is Measured deep channel at about 44 ft.
Season dates, license requirements, and size and bag limits for Netherlands waters are set by the Sportvisserij Nederland (VISpas & VISplanner) — and special regulations can apply to Boven- en Beneden Merwede specifically, so confirm the current rules before you fish.
Check the official Netherlands fishing regulations →
Boven- en Beneden Merwede is about 44 ft (13 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 european perch, zander, northern pike, common carp on Boven- en Beneden Merwede. 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.
Measured submerged high spot is the top-rated area: an offshore hump in about 27 ft of water that rates prime for zander in summer. The map above holds the full rated-spot list for every 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 Boven- en Beneden Merwede is regulated by the Sportvisserij Nederland (VISpas & VISplanner). Check the official Netherlands regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Dordtse Biesbosch 5 mi · Brabantse Biesbosch 6 mi · Oude Maas 7 mi · Bergsche Maas 8 mi · Hollandsche IJssel 14 mi · Beneden Maas 17 mi · Nieuwe Maas 18 mi · Haringvliet-oost 19 mi · Amsterdam-Rijnkanaal Betuwepand 24 mi · Amsterdam-Rijnkanaal Noordpand 27 mi · Volkerak 27 mi · Haringvliet-west 31 mi
See how Boven- en Beneden Merwede stacks up: best zander lakes in Netherlands · best northern pike lakes in Netherlands · best european perch lakes in Netherlands · best common carp lakes in Netherlands
Browse all Netherlands fishing maps or see every water on DepthScout. Bathymetry credit: Rijkswaterstaat measured bed elevations and official target water levels, CC0. 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.