This reserve is currently closed to the public due to ongoing works by HS2 and risks to public safety
Know before you go
Parking informationThere is no parking on site, the closest street parking is Link Way, Denham Green (0.3 miles to reserve).
Nearby: Grand Union Canal towpath; Colne Valley Trail
Rutted and muddy tracks.
When to visit
Opening timesOpen at all times
Best time to visitApril 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.
Spring: 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.
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).