This efficiently run training school set in a valley in soaring karst country 18km from Tha Khaek is hugely popular, and often booked up thanks to its cosy cabanas, great food and excellent courses. It also boasts one of the easiest overhangs in the world to learn on and has beginner-, intermediate- and expert-level climbs, with more than 320 routes from class 4 to 8C.

To get here, a tuk-tuk by day costs 100,000K. For serious climbers, accommodation is also available here, including dorms (60,000K) and bungalows (from 130,000K) with hot-water showers.