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Relief Channel, River Great Ouse

The Relief Channel is a long, broad engineered flood-relief and drainage waterway between the Denver area and King’s Lynn. King’s Lynn Angling Association runs sections of it, with access points around Downham Market, Denver Sluice and Magdalen Bridge.

Run by King's Lynn Angling Association · checked 10 Oct 2026 · boundaries only partly described by the club

River level

Measured — Environment Agency

Freebridge gauge

Nearest EA gauge we've matched — it isn't on this stretch, so levels on your peg will differ.

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We don't publish an "ideal level" — nobody can promise one. Flood water is dangerous: if it's up and coloured, stay well back from the edge. Open River Ready

The lowdown

  • This is not a little winding stream. It’s a proper engineered channel, built for flood relief and drainage, with plenty of water to explore.
  • KLAA lists the Relief Channel among its river and fen-drain fisheries. Some fisheries are owned by KLAA, while others are leased from organisations and landowners.
  • The channel runs between the Denver area and King’s Lynn, giving it a broad footprint through the Norfolk Fens. Saddlebow, south of King’s Lynn, is a confirmed local point on the water.
  • Access is identified around Downham Market, Denver Sluice and Magdalen Bridge. Check your permit details before setting off, as the association runs several different waters.
  • The water is described as a cyprinid fishery. KLAA names bream, carp, roach, perch, pike, tench and zander among the fish available across its fisheries.
  • There are no checked details giving a peg count, exact length, parking arrangements or night-fishing position, so those bits are best confirmed with KLAA before making a proper day of it.
  • For tactics, the checked details don’t pin down a particular rig or swim-by-swim approach. The channel’s broad, engineered character is the main thing to bear in mind when planning a session.
  • River day tickets are available from bailiffs on the bank for £6. Club permits cover different combinations of KLAA water, including rivers-only options.
  • Boat fishing needs a full KLAA book plus an EA or Middle Level Commissioners registration number. Fires, camping and barbecues are all prohibited — no faff, and keep it tidy.

Methods: The checked details don’t specify a preferred method for this stretch. Treat it as a broad engineered channel and check the current KLAA arrangements before choosing your approach.

Access & tickets

2026-27 Adult Basic Permit

Rivers only

£50 (as listed 10 Oct 2026 — check before you go)

2026-27 Adult Bronze Permit

Tottenhill and rivers

£64 (as listed 10 Oct 2026 — check before you go)

2026-27 Adult Silver Permit

All KLAA waters

£80 (as listed 10 Oct 2026 — check before you go)

Day tickets for KLAA rivers are available from bank bailiffs. The current official price is £6.

Fish the club names

bream, carp, roach, perch, pike, tench, zander

Named by King's Lynn Angling Association across its waters, not for this stretch on its own.

Key rules

  • Fires are prohibited.
  • Camping is prohibited.
  • Barbecues are strictly prohibited.
  • Boat fishing requires a full KLAA book plus an EA or Middle Level Commissioners registration number.
  • KLAA permits run seasonally from 1 April to 14 March annually.

Coarse fishing on English rivers is closed from 15 March to 15 June inclusive. That's the law for coarse fish on rivers — it's not a club rule, and game-fishing seasons work differently.

GOV.UK — Freshwater rod fishing rules: when and where you can fish

Where it is

Pins mark the access postcode each club gives, not the bank itself. Exact boundary map: see rights holder.

Community reported

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No live tracking — this is what anglers told us after their session, and it's never part of the venue score.

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