Knowledge of the quantities and composition of municipal solid waste is fundamental for the planning and development of waste management systems for cities. The objective of this study was to determine municipal solid waste generation rate, physical composition, and evaluate the appropriateness of the existing disposal site of Kemmisie town in Ethiopia. Primary data were collected by stratified and simple random sampling techniques from 140 and 27 households and non-households, respectively in 2023. The sample was collected for seven consecutive days during dry (February, 2023) and wet (July, 2023) seasons. The disposal site evaluation thematic and over all suitability map was done by ArcGIS 10.8.1. Analytical Hierarchy Process (AHP) pair-wise comparison model was used to accomplish weights of factor parameters. A suitability map was prepared by overlay analyses. The average municipal waste generation rate was found to be 0.274 kg/cap/day, 0.36 kg/Customer/day, 1.54 kg/commercial/day, and 0.134 Kg/office/class/day of households, hotels and restaurants, commercial centers, and organization centers, respectively. More waste generated in wet season than dry season. The overall physical composition of MSW solid waste in all the solid waste generator categories was 52.18% organic bio-degradable, 11.76% reuse and recyclable, and 36.02% non-biodegradable or inorganic waste. The Analytical Hierarchy Process, the current disposal site is not suitable. the study recommended that based on the generation and physical composition of waste, the municipal should identify appropriate disposal sites. Keywords: AHP, Characterization, Disposal site, MCDA, Solid Waste Generation, Suitability analysis