Susqueda Reservoir is a reservoir located on the Ter river, near Osor, Catalonia, Spain. The dam is located in Osor while the main water body is within the boundaries of Susqueda and Sant Hilari Sacalm. The construction of the dam was completed in 1968, creating a reservoir with a storage capacity of 233 hm³ that covered the old villages of Susqueda and Querós. The dam has a structural height of 135 m and a crest length of 360 m.