We are going back for another skinny-dip this year, to this excellent outdoor pool. Kit off time is 18:30 and we can use the pool until 20:30 Join us for a Naturist swim at Letchworth Outdoor Pool. This lido style pool is one of the best outdoor pools in Hertfordshire, our heated outdoor pool is situated within a beautiful natural environment. The heated 50 metre pool is surrounded by a grassed sunbathing area, with a toddler pool too. Refreshments are available in the terrac