Menengai Crater is a massive shield volcano with one of the biggest calderas in the world, in the Great Rift Valley, Kenya.

[1] Volcanic formed rich loam soils enrich the adjacent farmland around its flanks.

[2] Menengai has very little sediment in the caldera which is a thick mass of lava boulders and inaccessible ridges.

[3] Volcanic activity continues [4] and a current project under the GDC is at an advanced stage towards geothermal power generation.

[5] Menengai is 10 km (6 mi) north of Nakuru, the fourth-biggest city in Kenya.