Geykar Sinyik is one of the most popular and beautiful lakes of Itanagar. Known for its lush surroundings, sparkling water and quaint aura, the lake is a major draw for tourists from across the globe. It is locally known as Geykar Sinyi, which literally means confined water. It is also recognised as Ganga lake and lies at a distance of around 6 km from the city of Itanagar. Visitors who are looking to spend some time in the lap of nature are mostly drawn to this lake, which also makes for a great picnic and recreation spot. Tourists can indulge in boating and swimming in the pristine waters of the lake. Ganga lake is surrounded by tall trees and a rough landmass.