Fig. 1

General plan a San Lorenzo river; b detention reservoirs (former quarries); c Pelton turbine; d San Lorenzo a Monte; e abandoned mill refurbished as mentally impaired children rehabilitation center (proposal); f abandoned mill refurbished as spa (proposal); g groups of privately owned refurbished mills; h abandoned mill refurbished as central building of the "spread-out hotel" (proposal); i main parking area, water lift, access tower; j pedestrian paths; k reforestation to avoid slope erosion (proposal); l substitution of the narrow concrete channel with staggered gabion walls; m existing reforestation; n main road; o Silis river