Yambi Lake is a location found in Breath of the Wild.
Yambi Lake is a a body of water located on Tuft Mountain, just west of Lurelin Village. The lake itself has several Hyrule Bass and Hearty Bass in the water, as well as an enemy Water Octorok. There are also a series of Luminous Stone Deposits on the eastern wall.
There are also several Blue Nightshade flowers that are growing around the Yambi Lake. These are particularly useful as just nearby there is the Lover's Pond, also on Tuft Mountain. As part of the A Gift of Nightshade side quest, Link will need to acquire some Blue Nightshade flowers.
Nearby Korok Seeds
Pick up the rock.