Looking to book you Mayfly dates for the 2026 chalkstream fly fishing season? With access to a number of first class private country estate locations set in the beautiful Hampshire, Wiltshire, Berkshire and Dorset countryside. We can cater for individual rod days and group days to larger corporate days suitable for all chalkstream fly fishing abilities.


The Magical Mayfly Hatch

As spring tips toward summer, the English chalkstreams begin their most spellbinding performance: the Mayfly hatch. For a few fleeting weeks, these gin-clear rivers come alive as clouds of pale duns dance above the water and the trout, usually so measured, abandon all caution. It’s the season when preparation, patience, and a perfectly presented fly are rewarded in unforgettable fashion. For us fly anglers, nothing quite compares to Mayfly time on a chalkstream.

It is possible to secure your preferred Mayfly dates now, whether a single angler or group. So do not hesitate to contact us for details on availability.

New available dates are being announced regularly at the moment, so if you cannot see the date or river you would like to fish, please do contact us for more details.

Prime Mayfly Fly Fishing Availability 2026:

Week: 11th May to 17th May 2026

Monday 11th May:
Barton Court, River Kennet – 1 to 2 rods
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 10 rods

Tuesday 12th May:
Barton Court, River Kennet – 1 to 6 rods
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 4 rods

Wednesday 13th May:
Barton Court, River Kennet – 1 to 5 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 8 rods

Thursday 14th May:
Barton Court, River Kennet – 1 to 5 rods
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 2 rods

Friday 15th May:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods

Saturday 16th May:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods

Sunday 17th May:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 6 rods

Week: 18th May to 24th May 2026

Monday 18th May:
Barton Court, River Kennet – 1 to 2 rods
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods

Tuesday 19th May:
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 4 rods

Wednesday 20th May:
Barton Court, River Kennet – 1 to 4 rods
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods

Thursday 21st May:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods

Friday 22nd May:
Compton Chamberlayne, River Nadder – 2 to 4 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 2 rods

Saturday 23rd May:
Compton Chamberlayne, River Nadder – 2 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 6 rods

Sunday 24th May:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 10 rods

Week: 25th May to 31st May 2026

Monday 25th May:
Barton Court, River Kennet – 1 to 3 rods
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 8 rods

Tuesday 26th May:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 2 rods

Wednesday 27th May:
Barton Court, River Kennet – 1 rod
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 4 rods

Thursday 28th May:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 4 rods

Friday 29th May:
Compton Chamberlayne, River Nadder – 2 to 4 rods
Langford, River Wylye – 1 to 2 rods

Saturday 30th May:
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 4 rods

Sunday 31st May:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 6 rods

Week: 1st June to 7th June 2026

Monday 1st June:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 6 rods

Tuesday 2nd June:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 4 rods

Wednesday 3rd June:
Barton Court, River Kennet – 1 rod
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 4 rods

Thursday 4th June:
Barton Court, River Kennet – 1 to 5 rods
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 8 rods

Friday 5th June:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 2 rods

Saturday 6th June:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods

Sunday 7th June:
Compton Chamberlayne, River Nadder – 2 to 6 rods
Langford, River Wylye – 1 to 2 rods
Private Estate, Middle River Test – 1 to 10 rods


The weed cutting dates have been finalised for the 2026 season, view the River Test dates HERE and the River Itchen dates HERE.

View our latest Chalkstream Fishing Brochure HERE.

For more information about fishing on the chalkstreams please contact Alistair Routledge or call our office on +44(0)1980 847389.

About the author

Alistair Routledge

A recent addition to the Aardvark McLeod team hailing from the leafy suburbs of Johannesburg, South Africa, Alistair enjoys chasing all manner of species on fly, and like any good South African is especially fond of yellowfish.