Oqkul, kulest dar Pomiri Garby, dar hududi payoni Shugnoni Viloyati Avtonomii Badakhshoni Kuhi. Dar nishebii shimoli kanori sharqii qatorkuhi Shugnon, dar sargadi daryoi Upalisoy (shokhobi rosti daryoi Tuqquzbuloq, havzai Gund) voqe gashtaast.
Obi kul shirin va musaffo buda, zimiston yakh mebandad. Balandii kul az sathi bahr 4450 metr. Oqkul dar natijai kuchida furomadani kuhpora va band shudani peshi daryo ba vujud omadaast. Poyontar az Oqkul, dar vodii daryoi Upalisoy yak qator , kulhoi khurd mavjudand,, ki kalontarini onho Chuqurkul meboshad,