stress relief. Ice swimming (avantouinti) on its own is especially popular in Estonia and Finland. There is an Avantouinti Society, and swimming holes are also maintained by other groups such as the Finnish skiing association (Suomen Latu). The Finnish Sauna Society maintains an avanto for sauna goers. There are many places to swim without sauna in Finland during winter. Helsinki has several places for avantouinti, with dressing rooms and sometimes with saunas. There is also a number of ice swimming and winter sauna locations around Tampere. Oceania Australia In New South Wales, the Bronte Splashers Winter Swimming Club claims to be the oldest Winter Swimming club in the world founded in 1921. It competes against Bondi Icebergs Winter Swimming Club, South Maroubra Dolphins Winter Swimming Club, Cronulla Polar Bears Winter Swimming Club, Maroubra Seals Winter Swimming Club, Coolangatta Surf Life Saving Club, Clovelly Eskimos Winter Swimming Club, Coogee Penguins Winter Swimming Club, Wollongong Whales and Cottesloe Crabs in the Winter Swimming Association of Australia Championships. In Victoria, the Brighton Icebergers and the Shrinkäge swim group swim in Port Phillip Bay, the latter at Elwood Beach in Elwood Western Europe United Kingdom Famous locations include the Serpentine Lake in Hyde Park, London, and Highgate Ponds in Hampstead. The largest fresh water pool in the UK is the Tooting Bec Lido in South West London which is home to the South London Swimming Club. The pool is in length, i.e. nearly twice as long as an Olympic pool. As the winter approaches and the water temperature drops then swimmers stay in for less and less time, swimming just one or two widths rather than several lengths. Races take place all year including on Christmas Day and New Year's Day. The Middle Yeo Surf Life Saving Club hold the annual New Year's Day swim in Clevedon. It is usually held 20 minutes before high tide or if the times are not conducive to a large crowd the swim is held in Marine Lake. The Middle Yeo Surf Life Saving Club swim every weekend of the year and the forthcoming swim times are published in their alcove in Top Beach, Clevedon. The Chester Frosties are an informal Facebook group of over 1,000 swimmers who swim all year around Cheshire, Lancashire, Wirral, Merseyside and North Wales. Local specialities include tidal bore and surge swimming on the River Dee. Sheffield Outdoor Plungers are another informal Facebook