🇬🇧 Fishing at Grafham Water

One of the UK's most historic fly-fishing reservoirs

Grafham Water opened to fishing back in the 1960s and quickly became one of the country's most important fly-fishing destinations, hosting several major international competitions over the years. It remains highly regarded among fly anglers targeting rainbow and brown trout.

Find a fishing partner near Grafham Water

Match with other anglers nearby, share the boat, learn from each other and become better fishermen together — free to join.

Weather at Grafham Water

Loading forecast…

Best fishing times today

Day length: 11h 14m
Dawn05:39
Sunrise06:13
Sunset17:27
Dusk18:01

Bite windows today

  • Dawn05:09 – 07:13Excellent
  • Morning07:13 – 11:50Good
  • Midday11:50 – 14:27Calm
  • Afternoon14:27 – 16:27Good
  • Dusk16:27 – 18:31Excellent
  • Night18:31 – 05:09Good
Moon: 14% · waning↑ 02:07
Area
4.9 km²
Region
England — Cambridgeshire

Geography & facts

Grafham Water sits in Cambridgeshire, eastern England. The reservoir covers around 4.9 km², built in the 1960s to supply drinking water to the region.

How to fish

Fly fishing from boat and bank dominates, with rainbow trout the main species alongside a smaller brown trout population. The season runs roughly March to December. Bank and boat fishing offer different conditions depending on weather and wind direction.

Fish species

Gear & tips for rainbow trout

Rod
5- to 7-weight fly rod
Sage X
Vision XO
Loop Q
Reel
5/6-weight fly reel
Mainline
WF-5/6 floating line + intermediate
Leader
Tapered + 0.20 mm tippet
Lures / bait
  • Streamers
  • Egg patterns
  • Nymphs
  • Dry flies
  • Boobies
Find fly fishing gear at Sportfish
Season
April–November (put-and-take year-round)
Time of day
All day
Tip

Put-and-take fishing is common. Vary your depth. Popular Swedish waters: Bunn, Sommen and many small stocked put-and-take ponds.

Full guide

Licence & rules

On top of the national Environment Agency licence, a separate permit from Grafham Water's own fishery management (Anglian Water) is required, which handles access and catch rules for the reservoir.

Full international rules overview →

More UK fisheries