Amar Sagar Jaisalmer 6 kms. on way to Luderwa the natural spot developed by Maharawal Amar Singh is a water reservoir in 1688 AD. The dams were constructed to hold rainwater. Several terraces are formed where summer palaces, temples are constructed & Garden developed. On the south of the lake stands the exquisitely carved Jain temple constructed by Himmat Ram Bafna, the descendant of famous patwas.