Umin Thonsel Pagoda was built by a Sayardaw named Padugyi Thangayaza (though the date was given variously as 687. 1005. 1050 and 1085). It lies on Sagaing Hills. He was one reputed to have made silver and gold by alchemy.
It was called Umin Thonsel or the 30 caves pagoda to mark Buddha's ten paramis and 30 variants. Also in commemoration of 45 years Buddha spent as time to give sermons. inside were placed 45 statues of Buddha.