Lake Caliraya is a man-made lake situated in the municipalities of Lumban, Cavinti, and Kalayaan in Laguna province, Philippines. Created in 1939, the lake has developed as a popular spot for water sports and outdoor recreation including fishing. Surrounding the lake are a number of resorts and vacation homes which cater to tourists.

Lumban, officially the Municipality of Lumban, is a 3rd class municipality in the province of Laguna, Philippines. According to the 2020 census, it has a population of 32,330 people.