Ruma National Park is situated in Nyanza Province, Western Kenya, close to the shores of Lake Victoria, in Lambwe Valley in South Nyanza. 140 km from Kisumu, 10 km east of Lake Victoria and South West of Homa Bay and 425 km west of Nairobi. The Park covers an area of 120 square kilometers.

It was initially established as the Lambwe Valley Game Reserve in 1966 to protect its indigenous population of rare roan antelopes which exist nowhere else in Kenya. In 1983 it was gazetted as a National Park. It was renamed “Ruma” upon request of the local community.

The park is largely of black cotton soil with surrounding area settled with a mix of small scale cultivation and grassy pasture land.
Three main circuits which are motorable all year round, 4 wheel drive is necessary during the rainy seasons.
The Climate is hot and humid, mean annual rainfall is 1200 – 1600mm. The park has a humid climate, the long rains falling April-June and the short rains falling October-December
Wildlife in the park - Roan antelope (now unique to this park), leopard, buffalo, hyena, Rothschild's giraffe, oribi, Jackson and lelwel hartebeest, impala, bohor reedbuck, serval cat,  topi, baboons, vervet monkey, honey badgers, bush pig and many more.

The Park is an IBA area with over 400 species of birds recorded. It is renowned amongst ornithologists for its rare intra - African migrant, the blue swallow.

The vegetation in the Park is a classic image of East Africa with a land of rolling golden savanna dotted with picturesque acacias backed by dramatic hills and magnificent escarpment.It also has unique mosaic of riverine woodland and balanties trees.

The Park provides an unspoiled world for game lovers, bird watchers, tranquility and peace for meditation, historians, campers, team building, picnic, sundowners and scenic beauty.There are two campsites, Nyati campsite which is a special campsite and Fig tree campsite which is a public campsite and a backpacker’s haven.
Oribi guest house is a self catering guesthouse built on the Kanyamwa Escarpment. It has 3 bedrooms accommodating a maximum of 5 people with a full equipped kitchen.