Phou Khao Khouay National Bio-Diversity Conservation Area is a National park located in Laos. It is one of the 27 National parks in Laos. Address of Phou Khao Khouay National Bio-Diversity Conservation Area is Vientiane, Laos. Phou Khao Khouay National Bio-Diversity Conservation Area is located in a remote area, with less than 1 listed places around it. Phou Khao Khouay National Bio-Diversity Conservation Area is rated 4 (out of 5 stars) by 1089 reviewers on the web.