Take the B4016 northwards out of Didcot, and turn right at the T-Junction. Follow the road around to the left, towards Long Wittenham. Follow the road through Long Wittenham, and turn left at the end of the village towards Clifton Hampden. Cross the River Thames at Clifton Hampden (Caution - narrow bridge controlled by traffic lights).
Once through Clifton Hampden, turn right on the A415 towards Burcot, and then immediately left again onto the B4015. Follow the B4015 up to the Golden Balls Roundabout. Go straight across this roundabout, following the B4015 towards Chiselhampton.
When you get to Chiselhampton, turn right at the T-Junction onto the B480 towards Stadhampton. Follow the road through Stadhampton until you reach a roundabout, and turn right at this roundabout, staying on the B480 towards Chalgrove.
After approx. 1.5 miles, you will see a turning on the right signposted to Chalgrove. Take this turning, and follow the road into the village. Go past the Post Office on your left, and The Red Lion is on the left.
There is parking between the Post Office and The Red Lion adjacent to the Chalgrove Brook, or on the High Street itself.