This report is a Master Thesis for the Agricultural Engineering School of the Polytechnic University of Madrid. The report has been carried out during an Erasmus Programme Stage in the Department of Forest and Landscape at the Faculty of Life Sciences of University of Copenhagen. The purpose of this study was to practice and test the current methodologies of economic assessment of environmental projects. This valuation can serve as an example on how to evaluate the benefits obtained by an ecological restoration project in European countries.