The park is located at 385km from Nairobi and 27 km from Kitale town in Trans-Nzoia District of Rift Valley Province. The park ecosystem comprises of forest and swamp vegetation. The swamp is dominated by tall bull-rushes and sedges and is bordered by open grasslands and riverine forests.
The park was established to protect the endangered Sitatunga, a semi-aquatic antelope. Other wildlife species commonly found in the swamp include the Otter, Genet cat, Serval cat, mongoose, bushbuck and monkeys. The ecosystem is also rich in birdlife, harbouring about 372 species.