[10] The crater has been partly eroded, and is situated in dense rainforest, making it difficult to study and confirm its origin by meteorite impact.

However, drilling of the crater's central uplift beneath the lake floor has recently provided an abundance of shocked materials for scientific study.

[9] A work based on a statistical study of past numerical orbital simulations of the impact event[11] asserts that the possible origin of the impactor is an asteroid coming from the middle main-belt at a high inclination (>17 degrees).

[13] Periods of heavy rainfall filled the crater with water, causing the lake level to rise above the lowest points of the rim.

However, there were also times when the water level was so low that the rainforest entered the basin rendering the lake only a small pond.

[14][15] The legends say that in 1648 an Ashanti hunter named Akora Bompe from the city of Asaman was chasing an injured antelope through the rainforest.

With the arrival of Christianity, some of people gave up former beliefs, though many continue to seek traditional help in bad times or against diseases.

As more and more of the hills are converted into farmland, exposing the surface to the heavy rainfalls, soil erosion becomes an ever-greater problem.

[4] The lake is a popular resort area with local people for swimming, fishing and boat trips.

The lakeside village of Amakom has a small hospital with a doctor residing on premise, called Lake Bosumtwi Methodist Clinic, providing emergency services by boat and 4x4 ambulance.