From the A10 travelling Northbound (from Cambridge):
(Postcode for Sat Nav: CB6 2ER)

Ely bypass take B1411 to Little Downham

Proceed past Cowbridge Hall Road

Turn right at Little Downham village green, sign posted Black Bank Road

Continue past Black Bank Road and Second Drove

Turn right at red phone box into Main Drove

Cross railway line

Pass by Third and Fourth Drove

At Carlisle Farm, turn right into HEADFEN LAKES