Oulan Sao
Oulan Sao sī Cameroon Extrême-Nord Chiu Logone-et-Chari Koān ê chi̍t ê chū-lo̍h.
| Oulan Sao | |
| — Chū-lo̍h — | |
  Oulan Sao |
|
| Keng-hūi-tō͘: 12°15′04″N 14°34′26″E / 12.2511°N 14.5738°E | |
| Kok-ka |  Cameroon
|
|---|---|
| Chiu | Extrême-Nord |
| Koān | Logone-et-Chari |
| Koân-tō͘ | 288 m |
| Jîn-kháu | |
| - Lóng-chóng | 415 lâng |