The phrase "wild swimming" refers to swimming in natural spots like rivers, lakes, or the ocean, rather than in man-made pools or designated areas. Full definition
For the price of a swimming costume or pair of shorts — and a little money on fuel — you can go anywhere in the country and enjoy regular wild swimming for nothing. (infinitelifefitness.com)
In the Blue Mountains, the cluster of adventure tour operators in Katoomba offer a range of different rock - based options, with the Empress Canyon a particular focal point for beginner canyoners thanks to its lush scenery and suitability for wild swimming. (wanderlust.co.uk)
Coasteering is primarily a water based coastal adventure activity where participants overcome a mixture of natural obstacles and challenges using a variety of basic skills such as wild swimming, low level traversing, entering & exiting the water and deep water jumps, to name a few. (cornishwave.com)