Picnic on the grass next to the lake, or rent a boat and take a ride around it. There are also a variety of cafes and entertainment places nearby. Visit the dolphinarium, the aquarium or a small zoo nearby.
By the way, various species of fish also live in the lake, including mullet, carp and bream. In 2018, a subspecies of otter was found in Lake Nuri, but the last time people saw it was 100 years ago in the 1920s.