I hitched a ride from My Tho to Tan Chau (fairly close to Chau Doc - we got a van from where the freighter dropped us off) but it was many many moons ago. It should still be possible, ask in a guesthouse to get someone to help you out with arranging passage on a cargo boat.
#2somtam2000 has been a member since 21/1/2004. Location: Indonesia. Posts: 8,058