The Lli canyon can be descend in dry or rainy season. With a lot of rappels and an impressive one of 54 meters. If you like adventure and looking for adrenaline, it is a good choice.
Approach 5 minutes.
Return about 15 minutes.
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.