If you are looking for adventure Mortitx is a good choice. Aquatic canyon in rainy season, very complete, fun and beatiful views. Variety of rappels, jumps, slides ...
Approach 1 hour. Return 2 hours approx.
Guide titled, material (helmet, complete harness, canyoning neoprene suit, backpack, pot, ...), liability and accident insurance.
Sportswear, sport shoes descent the canyon (and other spare shoes), spare underwear, food and water.