橫水渡是大澳居民連接河涌兩岸的唯一交通工具。每當潮退河涌水淺不能划艇時，村民會用木板繫著水中的舢舨權充橋樑。Sampans are the only means to crossing the creek in Tai O. At low tide when the creek is too shallow for sampan rowing, a temporary 'bridge' is set up by fastening onto a sampan in the middle of the water.