TREES, a training unit of the University of the Philippines Los Baños College of Forestry and Natural Resources (UPLBCFNR), organizes continuing education courses and study tours on subjects that concern tropical forestry, natural resource conservation, and ecosystems management.

TREES continues the legacy of excellent service through engagement of highly competitive trainers and facilitators from a pool of UPLB faculty and staff members as well as experts that come from collaborating agencies, institutions, and organizations. TREES offers a highly conducive environment for its training and accommodation facilities in the UPLB campus in the beauty of Mount Makiling Forest Reserve.