Kayaking the river. This covers the same part of the river as tubing (and a more untouched part further upriver). Kayaking trip can include a quite exciting swim on the tube through a cave situated about 15 km from Vang Vieng and lunch. Some of the caves takes more than an hour to walk through, with bats and other animals. A kayaking trip from 9:00 - 16:00 including swim on the tube trough a cave and lunch costs 120,000 kip (feb 2015