The Uten Marsh is a location from The Legend of Zelda: Breath of the Wild. It is located in East Necluda, a short walk south of Tawa Jinn Shrine.
Several Beehives can be found here allowing Link to acquire Courser Bee Honey here. However Hinox (Middle Kin) a special Blue Hinox lives here as part of the "The Three Giant Brothers" shrine quest which makes the Tawa Jinn Shrine appear thus Link should defeat it to collect the honey safely. The special Blue Hinox revives each Blood Moon though its Sheikah Orb only has to be collected once and placed in one of the dias platforms. The special Blue Hinox also has a Dragonbone Boko Spear and Dragonbone Boko Club on its necklace which respawn with it after it revives. The special Blue Hinox boss meter lists its location as Mount Taran indicating Uten Marsh is considered part of Mount Taran.