Located at Mu 3 Tambon Hat Som Paen. 7 kilometres from Ranong provincial town on Highway 4005 (Chon Ra-u Road) or 6 kilometres from Raksawarin Park.

This temple is on Khlong Hat Som Paen and provides a sanctuary for a shoal of soro brook carp.

Besides feeding the fish, visitors to Wat Hat Som Paen can also pay respect to the image of Luangpho Khlai who was much revered by southerners and passed away at this temple.