Lake Oloidien is a small alkaline lake located in the Great Rift Valley of Kenya. It's not as famous as its neighbor, Lake Naivasha, but it's still pretty cool. The lake is known for its unique shape, resembling a figure-eight or an hourglass. It's a popular spot for birdwatching and has some interesting wildlife around too. Overall, Lake Oloidien may be underrated, but it's definitely worth checking out if you're in the area.