Yathuru Pokuna (Key Pond) at Ruwanweli Maha Seya Monastery (රුවන්වැලි මහා සෑය අසළ යතුරු පොකුණ)
Yathuru Pokuna at Ruwanweli Maha Seya is quite large and made of stone blocks. Perfectly carved blocks of stones have been tightly fitted together to create the pond. The pond gradually enlarges itself from the bottom to the top. No historical information is found of the pond