Hook Meadow and The Trap Grounds

Hook Meadow and The Trap Grounds is a 11.9-hectare (29-acre) biological Site of Special Scientific Interest on the northern outskirts of Oxford in Oxfordshire. These unimproved meadows in the floodplain of the River Thames are poorly drained and they have calcareous clay soils.

Source: Wikipedia — Hook Meadow and The Trap Grounds (CC BY-SA 4.0)