Tanfengyang Provincial Wetland Park is located in Haikou City, Hainan Province, with a total area of 662.22 hectares.

Tanfengyang is a volcanic lava landform wetland, where underground groundwater seeps through volcanic surface fissures, overflows, converges, and accumulates, forming wetlands that appear discrete in space but are actually interconnected in terms of hydrological functions.






