This was probably not Deal, which had not proved a satisfactory station, but Richborough, where the Wantsum, then a broad arm of the sea between Kent and Thanet, provided an excellent harbour for a large fleet. It was, moreover, the regular emporium of the tin trade (see p. 36), and a British trackway thus led to it.
Otherwise Cadwallon, which, according to Professor Rhys, signifies War King, and may possibly have been a title rather than a personal name. But it remained in use as the latter for many centuries of British history.
Vine, 'Caesar in Kent,' p. 171. The spot is "in Bourne Park, not far from the road leading up to Bridge Hill."