A uranium mine is allegedly located there, as is a 200 megawatt oil-fired power plant.
It includes the Sonbong Revolutionary Museum, a monument to the historic site, and the house where she stayed.
Sonbong has a humid continental climate (Dfb) with mild to warm, rainy summers and cold, long winters.
Seasons are somewhat moderated by the presence of the Sea of Japan.Sonbong is North Korea's rail link to Russia.
This connection lies on one of two proposed paths for linking South Korea by rail to the Trans-Siberian Railroad and the rest of Eurasia, the other being through Sinuiju.