Broadwater Lake

Broadwater Lake Nature Reserve

© Tim Hill

This reserve is currently closed to the public due to ongoing works by HS2 and risks to public safety

A beautiful wetland reserve that is home to a variety of wintering wildfowl and other wildlife.


Off Moorhall Rd

OS Map Reference

TQ 045 884
A static map of Broadwater Lake

Know before you go

19 hectares

Entry fee


Parking information

There is no parking on site, the closest street parking is Link Way, Denham Green (0.3 miles to reserve).

Walking trails

Nearby: Grand Union Canal towpath; Colne Valley Trail


Rutted and muddy tracks.


On a lead


Bird hides

When to visit

Opening times

Open at all times

Best time to visit

April to July, November to February

About the reserve

** Please note: HS2 has taken possession of the nature reserve and we cannot guarantee public access anymore. The works are estimated to take around seven years to complete.**

You can find more information about HS2 at Broadwater Lake here.

A large lake in the Colne Valley which supports huge numbers of waterbirds. A nationally important lake in the Colne Valley which supports huge numbers of waterbirds. Of the four lakes within the Mid Colne Valley Site of Special Scientific Interest, Broadwater Lake is by far the biggest and is one of the largest expanses of open water in the Colne Valley. The nature reserve includes Korda Lake, Long Pond, the River Colne and the western side of Broadwater Lake. Wintering birds include great crested grebe, cormorant, gadwall, shoveler, tufted duck, pochard, wigeon, teal, goldeneye, smew and coot.

Seasonal Highlights
Cetti’s warbler, house martin, sand martin, swallow.
Summer: Broad-bodied chaser, Daubenton’s bat, emperor dragonfly.
Autumn: Chiffchaff, hobby, redwing, pochard, tufted duck.
Winter: Goldeneye, goosander, smew.

Environmental designation

Site of Special Scientific Interest (SSSI)


Site entrance: The site entrance is located on Moorhall Road. Approaching from Link Way, turn left onto Moorfield Road (turns into Moorhall Road), the reserve will be on your left just after you cross the river.

Access by road: From A412 in Denham Green, turn into Moorfield Road. Turn left and park on Link Way.

Access by public transport
Bus: 331 – Moorfield Road (300m)
Rail: Denham (0.5 miles).

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Support our nature reserves

It costs on average £30 per month to care for each acre of our nature reserves.