- Ulldecona Castle.Built over an ancient Iberian settlement, here one can find the walled enclosure site where one can observe a square tower-palace which belonged to the Order of the Hospital, a round tower and a church in the Romanesque style.
- Ulldecona Reservoir.This dam is located in the Besseit (Mountain) Pass where you can enjoy the combination of large tracts of forests and beautiful rock formations and where, too, the large colony of wild goats and griffon vultures resides.