Starting with the Obersauerstausee, which has a total of six bathing zones: Rommwiss, Liefrange, Burfelt, Fuussefeld, Insenborn and Lultzhausen. But beware: as last year, visitors to the Lac de la Haute-Sûre, who want to relax on the sunbathing lawns must make a reservation in advance. This can be done free of charge via the website or the ÉislekApp. A maximum of 5 places can be reserved per person. Whereas in 2020 visitors only had to make reservations on weekends and public holidays, reservations are now also compulsory on weekdays. Anyone who has already made a reservation and then cannot come to the booked sunbathing lawn after all should cancel their reservation by sending an email to Activities during which visitors do not stay on the sunbathing lawn are excluded from the reservations. Accordingly, visitors do not need to make a reservation if they wish to hike along the reservoir or go kayaking or fishing on the reservoir, for example. The latest information on the reservoir region is available on the website of the reservoir municipality:

Extremely popular in summer are also the dredging ponds in Remerschen. Here the beaches are divided into four zones. The ticket offices open at 10.00 and close at 17.30. The area closes at a minimum of 18.00 and, depending on the weather conditions, at 20.00. The entrance fee is 5 euros, access is free for children under 10. You can conveniently reserve your day ticket at In addition to the bathing opportunities, the “Baggerweieren” also offer a host of new activities. For example, a diving course with an oxygen tank (until 31 July) or Yoga, Natural Resilience, Bodyshape, Biodanza, Cross Training and Fit Boxing.

In the north of the country, the two lakes of Weiswampach are ideal to cool down. On the lower lake you can also go canoeing or rent pedal boats. Incidentally, a beautiful circular trail of 4 kilometres and a mountain bike route of 25 kilometres also start from there. To find out about the tourist activities in the municipality of Weiswampach, visit

Information for parents

  • If you want to get to the Lac de la Haute-Sûre in a sustainable way and thus also save yourself a nerve-racking search for a parking space, you have a choice of various public buses as well as the “Stauséi Navette”, which is used especially for the bathing season. The bus line 535 (Ettelbruck – Insenborn – Ettelbruck), which runs on Sundays, as during the week, every hour from 7.00 a.m. to 8.00 p.m., allows visitors to reach the Lac de la Haute-Sûre in a comfortable way. Since 9 May, the “Stauséi-Navette” is also running around the lake every hour. At, you can easily find the itinerary that suits you best. In addition to the various bus routes, there is also the free reception car park “Am Kéilert” in Insenborn again for the main season, which is located directly on the N27 between Insenborn and Arsdorf. The approach to the car park is signposted. From there, a 15-minute walk leads to the lake. Alternatively, the municipality of Esch-Sauer offers a shuttle service on weekends with large numbers of visitors and public holidays. It takes visitors from the “Am Kéilert” car park to the sunbathing areas in Lultzhausen and Insenborn every 20 minutes.
  • At the “Baggerweieren” in Remerschen, there is a large car park for 500 guests in the Breicherwee. If you want to travel by public transport, you can do so from Luxembourg railway station with bus line 175 in the direction of Mondorf-les-Bains or 185 to Remerschen.
  • Right next to the lakes in Weiswampach there is a large car park at Weilwerdangerstrooss. Bus lines 555 and 685 stop nearby. The bathing season in Luxembourg runs from 1 May to 30 September.
  • More information about the bathing waters in Luxembourg and their condition can be found here