Grafham Water is a reservoir with a circumference of about 16 km (10 mi). It is the eighth largest reservoir in England by volume and the third largest by area. …
Myriad habitats can be found at Paxton Pits Nature Reserve, with beautiful lakes, riverside, meadow, reedbed, scrub and woodland. The visitor centre offers refreshments, facilities and friendly expertise.
Between the upper "Serpentine Lake" and its neighboring lake, the "Chinese Bridge" connects the areas of the park. The gray herons like to perch above the reed belt of the Serpentine Lakes.
Off the main track to the left you take a narrow wooden walkway out to the hide which has great views over Heronry South Lake as well as Heronry North Lake.