On October 25, 2019, project participants visited the demonstrative areas at Linares de Riofrío to start working on the action A.1 of the project, “Mapping Forest Health”. The working team was composed by Álvaro Peix, Mariano Igual, Oscar González, and Virginia Gascón (CSIC-IRNASA), in collaboration with Julio Díez, Tamara Sánchez, Mariano Rodríguez (UVA), and Iván Franco (IDFOREST). Participants mapped the demonstrative areas using a GPS device to delimitate the selected plots and chestnut trees for the LIFE MycoRestore project.