Krabi town is very close to the river mouth that opens to the great Andaman Sea.
Krabi river flows about 5 km through the town and opens into the Andaman sea
at Tambon Pak Nam. Quite a few other rivulets originating from the mountain ranges
in the province , Kao Panom Benja ; the Klong Pakasai, Klong Krabi Yai and
Klong Krabi Noy, also joins the sea at this area.