Sounds a lot like the “come together” festival they do in Henley on Thames (Oxfordshire).

Anyone else going from Suffolk or fancies meeting up? Definitely sounds good but I feel a bit out on a limb here as I know nobody from this area (other than on the internet) and have never been to Cambridge in my life…

this made me laugh though (found on the directions)

• By Air – No helicopter or light aircraft landing facilities are available. Parachuting in is not advised either.