Menchum is a department of Northwest Province in Cameroon. The department covers an area of 4469 km and as of 2005 had a total population of 161,998. The capital of the department lies at Wum. The Menchum River drains this area, flowing westward into Nigeria to join the Benue River.
| Menchum Valley | Benakuma | 956.5 |
| Furu-Awa | Furu-Awa | 1,186 |
| Wum | Wum | 302.1 |
| Fungom | Zhoa | 2,098 |
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