This document is the results report of the Project Baseline "Sustainable Management for the Conservation and Restoration of the Mesophil forest of the Volcanic Mount Foot of the Municipalities of Quetzal, La Reforma, Nuevo Progreso and the Tomb of the department of San Marcos, in the Naranjo River basin" whose funding comes from the Tropical Forest Conservation Fund (FCA) whose field stage was developed during August-October 2019, in order to provide the initial parameters and indicators to assess the impact of the objectives and results defined by that project. The project was designed with the primary purpose of contributing to the well-being of populations located in the upper and middle part of the Naranjo River basin, through the promotion and implementation of activities aimed at improving agroforestry systems and sustainable conservation and restoration of forest remnants, for the recovery of connectivity as a measure to address biodiversity loss and fragmentation of forest ecosystems. The selected territory has a high wealth of flora and fauna with ecosystem functionality that contribute to the well-being and family economy of 115,891 inhabitants in the four municipalities according to data from the 2018 census. It belongs to the Volcanic Chain Region prioritized by the FCA and according to the National Forest Institute (INAB) for its hydrological potential is defined as a very high priority of intervention.