Canyoning in October

Samaria Gorge is the reason to come, a 16km descent through a 300m-deep limestone canyon, ending at the Libyan Sea village of Agia Roumeli. It is one of Europe's most dramatic gorge walks, and the combination of the White Mountains backdrop, the final swim in the Libyan Sea, and the ferry return to Chora Sfakion makes it a complete day experience. Imbros Gorge (8km, open year-round) is the lower-key alternative for shorter time windows or off-season visits. Neither route requires technical climbing, both are accessible with standard hiking fitness and appropriate footwear.

The Blue Mountains' sandstone plateau, 1.5 hours west of Sydney, is cut by narrow slot canyons that are genuinely world-class, dark, claustrophobic passages barely wide enough to squeeze through, with filtered light coming from 30m above. Claustral Canyon is the most celebrated: a full-day technical descent involving abseils, swims, and a subterranean section where the only light is what you bring. Empress Canyon and Grand Canyon (the accessible version) offer shorter routes. These canyons are a well-kept Australian secret, you can do a serious canyon experience as a day trip from one of the world's great cities.

River tracing, or suxi, is Taiwan's homegrown adventure sport, and the mountains behind Hualien are its heartland. Instead of walking down a dry canyon, you go up a live river, wading, boulder-hopping, swimming through pools and scrambling beside waterfalls in a wetsuit, helmet and grippy shoes, following the water into gorges you could reach no other way. The prize routes are here: the Golden Grotto, a narrow marble slot canyon on the Sanzhan River where the walls glow gold and close around a waterfall pool, and Emerald Valley, named for water the color of the gemstone. Because the rock is Taroko marble and the water is snowmelt-clear, the scenery is extraordinary, and trips scale from a gentle two-hour splash to a full day of committing swims and jumps. It is warm-season fun, best from late spring to early autumn, and because the rivers are technical and flash floods are a real hazard, going with an experienced local guide is not optional.

La Fortuna turned waterfall rappelling into a genre, and it still does it better than almost anywhere. Fixed-anchor canyon routes drop you down a sequence of waterfalls, the tallest well over a hundred feet, through rainforest canyons carved by runoff from Arenal Volcano. It reads as extreme from a photo but the actual skill floor is low: guides run the ropes, you clip in and walk backward off the edge, and the hardest part for most people is the first step. That accessibility plus the volcano backdrop is why La Fortuna shows up on more first-timer bucket lists than any other canyoning spot on the continent.

The Maletsunyane Abseil at Semonkong is the longest commercially operated single-drop abseil in the world, a Guinness World Record at 204 meters set in 2005. You rope down a sheer basalt cliff right beside the Maletsunyane Falls, the spray drifting across the rock and Bearded and Cape vultures riding the thermals off the gorge below. No experience is needed. The day before the main descent you train on a 25-meter practice cliff near the lodge to learn the ropes and rig, so that by the time you step backwards off the 204-meter ledge the movements are familiar even if the drop never stops feeling enormous. More than seven thousand people have now done it. There is no dedicated abseil category on the site, so this sits under Canyoning as the closest fit, but it is pure vertical rope work beside a waterfall rather than a canyon descent. Semonkong itself, reached over high passes about four hours from Maseru, is worth the trip on its own for the falls, the pony trekking and a town where ponies still outnumber cars.

European canyoning grew up in the Sierra de Guara, and it shows: more than 60 equipped canyons, the Vero, Mascun, Peonera, Gorgas Negras, concentrated in one natural park, with Alquezar and Rodellar functioning as dedicated canyoning villages where the oldest operators have guided for three decades. The grade spectrum is the widest in Europe, family aquatic hikes to committing expedition descents, and 300-plus days of sun keep the water warm enough for light wetsuits through the summer. The Vero canyon's rock-art is UNESCO listed, so even the walls have a story.

Snake Gorge is the canyoning trip that put Oman on the adventure map. Hidden in the folds of Wadi Bani Awf, on the dramatic mountain road between Al Hamra and Rustaq, the canyon squeezes into a slot only a couple of meters wide in places, its water-polished walls curling like a snake. A descent works down through the gorge on rope, sliding down chutes, leaping into deep green plunge pools and swimming the flooded sections in the shade while the desert bakes above. It rewards a head for heights and a willingness to commit to a jump, but the technical climbing is done for you on fixed ropes, so it suits adventurous first-timers with a guide as much as experienced canyoneers. The setting is half the appeal: terraced date gardens at Balad Seet, sheer limestone, and the sudden cold of the water after the heat of the approach. Because the abseils and swims make self-rescue hard, it is a place to go with an operator who carries the ropes and knows the exits. Cooler months from October to April are the season.

Wadi Mujib is a categorically different experience from European technical canyoning, a wade-and-swim descent through a narrow basalt gorge, where the Mujib River drops 900 meters to the Dead Sea over 70km. The RSCN (Royal Society for Conservation of Nature) manages access as part of the Wadi Mujib Biosphere Reserve, keeping numbers controlled and the experience genuine. The Siq Trail (the main route) involves boulder-hopping, swimming through slots barely wide enough for a person, and following rope lines through waterfall drops, ending at the Dead Sea, the lowest point on Earth. No abseiling or technical gear required; swimming ability and a tolerance for cold water are all you need.

Kourtaliotiko and the gorges behind Plakias give short, rappel-heavy descents into water, close enough to town for a half day.