Wild Swimming
in the UK.

Largely yes: both mean swimming outdoors in natural or open water rather than a pool. Wild swimming tends to describe the experiential side (rivers, lakes, the sea and lidos), while open water swimming is more often used for the sporty, distance-training side, including managed lakes with safety cover. The same spot can be both.

Anyone reasonably comfortable in open water. The UK has a strong recreational swimming tradition — Hampstead Heath ponds, the Cornish coves, Lakeland tarns, the lidos of every coastal town. Cold-water swimming has become a major national pastime in the last decade and the entry point is gentle: a tidal pool or a lake in August is forgiving.

Cornwall and Devon for sheltered coves and tidal pools (Porthtowan, the Dancing Ledge); the Lake District for tarns and lake-edges (Crummock Water, Buttermere); Hampshire and Dorset for chalk rivers (the Itchen, the Frome); Yorkshire and the Peak for natural pools below waterfalls. The Outdoor Swimming Society map is the standard reference.

Sea: from May to September for warmer water (12–17°C). Lakes and rivers: similar window, often a few degrees colder. Year-round cold-water swimming is increasingly popular but needs proper acclimatisation; never swim alone in winter, and treat anything below 5°C as a short, supervised dip rather than a swim.

For summer: a swimsuit, goggles, tow float (£20 — non-negotiable for safety), and a warm changing robe for after. For year-round: add a 4/3 or 5/4/3 wetsuit, neoprene gloves and booties, swim cap and a hot drink in a flask. Outdoor Swimming Society and the RNLI both publish sensible safety guides.

Find your nearest lido, tidal pool or designated swimming lake — they're lifeguarded and forgiving, and most run beginner sessions. Outdoor Swimming Society chapters host weekly swims across the country. Build up gradually: a 20-minute lake swim in June teaches you more than an article ever will, and the entry cost is essentially nothing.