Senanayake Samudraya (Gal Oya Dam)

What?
Sri Lanka’s largest reservoir, built in 1952, vital for irrigation and a scenic natural attraction.

Where?
It is located in the Monaragala District, approximately 270 km from Colombo.

When?
It can be visited year-round, with December to April ideal for pleasant weather and exploration.

Senanayake Samudraya, also known as Gal Oya Dam, is Sri Lanka’s largest reservoir, irrigating over 52,000 hectares since 1952. Located in Monaragala, it blends engineering prowess with natural beauty, offering visitors a serene setting to appreciate its ecological and agricultural significance.