Mountainbike Tour in Mto Wa Mbu. Another fun thing to do in Mto wa Mbu is a mountain bike trip. The town near Lake Manyara National Park is a green oasis in the Maasai plains that surround it. Groundwater makes it possible for crops like coffee, bananas, and rice to grow there. The two- to three-hour bike tour takes you through the village streets, past banana and coffee farms, and to a school. Along the way, you can see beautiful views of Lake Manyara.