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The study provides a quantitative appraisal of the carbon and timber stocks and flows of tropical (primary) forests by evaluating them simultaneously using data (physical and economical) from a number of sources. The provision of reliable and accurate estimates of the economic value of these services is crucial to plan adequate conservation policies that encourage the protection and sustainable management of tropical forests such as those under REDD/REDD+. Results indicate that the economic return for managing natural forests is influenced by timber and carbon prices as well as the discount rate applied. Timber on face value is the better land use option; however, there are many issues that need to be considered when valuing timber, especially regarding the management regimes. Revenues under REDD/ REDD+ option would be higher if co-benefits, which include monies from the sustainable extraction of timber under Sustainable Forestry Management (SFM) are considered.