This dataset describes the potential supply of wood-based material Nature’s Contributions to People (NCP), specifically timber, charcoal, and firewood, estimated along the southern slopes of Mt. Kilimanjaro, Tanzania. The work was conducted as part of the larger long-term KiLi-SES research project. Using tree inventory and deadwood survey data, we estimated the potential supply of timber and charcoal through established allometric equations, complemented by additional information such as local market prices.