The park derives its name from a plant called Euphorbia tirucalli, known as Emanyara in Maasai language and covers an area of 648.7 km2.
The lush green vegetation consisting of tall trees of the ground water forest, the tree climbing lions, the soda lake inhabited with thousands of pink-hued flamingos, large water birds and the troops of baboons and blue monkeys and the rift valley escarpment make your safari to this area unforgettable.
The Park experiences bi-modal rainfall season with short rains starting from November to December and long rains from February to May and dry season is from late June to October.
It is located at an altitude between 850 and 2000 meters with annual average rainfall ranging from 650 to 760mm.