Kestrel Hydro naturist spa is open 7 days a week 12.30PM till 8.30PM but offers late night opening on Wednesdays staying open till midnight. The club features a newly built refreshment hut, Sauna, full body drench shower, hot tubs indoor and outdoor, full length swimming pool and log cabins for you to relax in. A strict naturist dress code applies and membership is not necessary but will offer you a discount if you regularly attend the club. Membership starts at £30 for couples, £10 for single ladies and £40 for Single males for six months but you can obtain a day pass for £30 for couples, £15 for single ladies and £40 for Single males. Kestrel Hydro is located very close to Heathrow airport and is just off junction 14 on the M25.