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Streak for Tigers

London Zoo, Thu Aug 14

Daring individuals who take part in this outrageous fundraising event will get their kit off for a run through the heart of London Zoo. Support is vital to the challenge, so spectators are encouraged, and both the courageous streakers and their cheerleaders will have access to the Terrace Café and shop, on the night of the event. All money raised will go towards the Zoological Society of London's campaign to save the planet's last remaining Sumatran tigers.

London Zoo, Regent's Park, NW1 4RY, 7pm-9pm, registration £20, spectator ticket £15, zsl.org

Spirited Bodies

Millman Street Community Centre

Spirited Bodies offers naked life-modelling workshops where people can experience being nude around others in a relaxed environment while being part of an artistic creation. Led by professional models, these workshops encourage you to face your body issues, or simply practise posing for artists, who will attempt to bring out the best of your features while you overcome any fears of being starkers. There are also women-only workshops where ladies can pose in bikinis.

Millman Street Community Centre, 50 Millman Street, WC1N 3EW, spiritedbodies.com

Naturist London’s Sunday Swim

University of London Union, every Sunday

Not too sure which bikini you prefer? Or maybe those trunks don’t look as good on you as they did on Channing Tatum. Why bother? Naturist London's Sunday Swim is a regular event with no booking or membership required, just strip off and dive in. Here naturists, or those who just fancy a skinny dipping session without having to trek to a nudist beach, can get naked and get swimming. The perfect pre-Sunday roast dip. Those who want a more leisurely bask in the sun can head to the only official naked sunbathing area in London, the banks of the men’s swimming pond on Hampstead Heath. Unfortunately it’s men-only but women can sunbathe topless at the ladies’ pond. A python was recently found in the water so naked swimming is not recommended.

Energybase, University of London Union, Malet Street, WC1E 7HY, 12-2pm, £5, under 16s free, naturistlondon.org.uk; Hampstead Heath, Millfield Lane, N6, free, cityoflondon.gov.uk

Rio's Naturist Health Spa

Every day

This naturist spa features jacuzzis, saunas, an outdoor garden, a plunge pool and two television lounges. Relaxation with no clothes on could make you feel like you’re in the Garden of Eden — or awkward and exposed. That depends on you. What the spa can offer is a good tanning spot in its sun-trap garden where you can give naturism a try.

Rio’s Health Spa, 239-241 Kentish Town Road, NW5 2JT, Mon-Fri 11am-7pm; Sat times vary; Sun 11am-10pm, prices vary, rios.co.uk

Elixir Health Club

Every day except Mondays

This naturist massage centre offers a nonchalant and breezy experience where you can enjoy relaxing in your own skin with the use of its various facilities. Elixir is inspired by traditional Scandinavian-style spas, and features a Nordic sauna, steam room and hot tub. A variety of massage treatments are available to book for your visit. It also hosts regular social events, including parties and cocktail evenings.

Elixir Health Club, 14 Palace Gates Road, N22 7BN, various times and prices, elixir-of-life.com

Nudity Club

Union, every month

Started in 2007 by DJs David Jaxx and Paul, Nudity is a men-only all naked dance club where those who like to groove while nude can party to funky tunes till the early hours.

Union, 66 Albert Embankment, Vauxhall, SE1 5TP, 10pm-4am, students/members £10; guests £15, nudityclub.co.uk

Naked Yoga London

At a private venue in Bow

Naked Yoga London offers four-week courses during which members explore different variations and postures. One of the course's aims is to help class members feel comfortable with their bodies, and instructor Annette also teaches in the nude.

£75 for the course, nakedyogalondon.co.uk