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Stocker's Lake

A large lake in the Colne Valley with nationally important numbers of wintering birds, including spectacular goldeneye and smew.

Stocker's Lake is one of the oldest gravel pits in the Colne Valley. Wintering ducks such as shoveler and goldeneye are common visitors in nationally important numbers. Over 60 species of breeding birds have been recorded here and the heronry is the largest in the county.


Stocker's Lake is owned by Affinity Water and managed by the Herts and Middlesex Wildlife Trust.


Get involved

If you are interested in volunteering at this site please click here to see if there are any volunteering opportunities coming up in the future.


Download Stocker's Lake leaflet


Visit our Feel Better Outdoors page to download a Healthy Walks Leaflet for Stockers Lake and other HMWT reserves.

Nearby nature reserves

Springwell Reedbed
1 miles - Herts and Middlesex Wildlife Trust
Old Park Wood
1 miles - Herts and Middlesex Wildlife Trust
Broadwater Lake
3 miles - Herts and Middlesex Wildlife Trust

Nature reserve map

Reserve information

Rickmansworth Aquadrome
Map reference
TQ 049 939
Great for...
a family day out
overwintering birds
stunning views
Best time to visit
Apr - Jul
Nov - Feb
Get directions
Find out here
Public transport
Plan your journey
Opening Times
Open at all times. Cafe at nearby Bury Lake.
40.40 hectares
Living Landscape schemes
Colne Valley Living Landscape
Access to the reserve is open at all times. Wheelchair friendly although paths are prone to flooding in wet weather. There is a kissing gate.
Walking information
Walking shoes recommended. Closeby: Chess Valley Walk; Ebury Way; Grand Union Canal towpath
Park in Aquadrome car park nearby. Walk left past cafe to reserve entrance.
Dogs allowed
Reserve manager
Herts and Middlesex Wildlife Trust
Tel: 01727 858901


Factsheets and guides for your visit