Altrheinsee
Nude beach in Rhineland-Palatinate, Germany
Altrheinsee is a beach that is customarily clothing optional in Rhineland-Palatinate, Germany. Average air temperatures peak in July at 20°C (68°F). EU monitoring rated the bathing water "Excellent" in 2025. There are 8 other naturist places within 50 km (31 mi), the closest being Campingplatz Jakobsbergerau (20 km (12 mi)).
Weather and water temperature at Altrheinsee
Tap a month. Averages: air 2001–2025 (NASA POWER), sea 1991–2020 (NOAA OISST).
| Month | Air | Rain |
|---|---|---|
| January | 0°C | 60 mm |
| February | 1°C | 48 mm |
| March | 5°C | 50 mm |
| April | 9°C | 43 mm |
| May | 13°C | 70 mm |
| June | 18°C | 62 mm |
| July | 20°C | 67 mm |
| August | 19°C | 67 mm |
| September | 15°C | 50 mm |
| October | 10°C | 56 mm |
| November | 5°C | 59 mm |
| December | 1°C | 68 mm |
Visiting
- Bathing water profile: BADESEE EICH
- Coordinates: 49.75820, 8.40319 · OpenStreetMap
- Local law: is public nudity legal in Germany?
- Before you go, read our nude beach etiquette guide.
- First time? Read our guide to your first time at a nude beach.
Naturist places near Altrheinsee
- 1Campingplatz Jakobsbergerau naturist campground · HesseClothing optional
- 2Vereinsgelände für Sport und Naturismus ORPLID-Darmstadt e. V naturist campground · HesseClothing optional
- 3Naturist Nus Mannheim naturist campground · HesseClothing optional
- 4Grube Prinz von Hessen nude beach · HesseTolerated
- 5Miramar Freizeitzentrum Weinheim naturist sauna or spa · Baden-WürttembergNaturist only
- 6Langener Waldsee nude beach · HesseOfficial
- 7Stollenwörthweiher nude beach · Baden-WürttembergClothing optional
- 8FKK-Bereich Blaue Adria nude beach · Rhineland-PalatinateOfficial
Status labels: Official · Naturist only · Clothing optional · Tolerated · Customary · Listed · Prohibited · Closed. Statuses come from open data and are not yet verified in person.
Frequently asked questions
Is Altrheinsee clothing optional?
Altrheinsee is listed as "customarily clothing optional" according to OpenStreetMap (nudism=customary). Rules can change, and clothing-optional zones are often only part of a beach, so look for signs on arrival and follow local rules. NudistMap has not yet verified this status in person. You can check what applies in Germany before you go.
Is the water clean at Altrheinsee?
The nearest EU-monitored bathing site (BADESEE EICH) was rated "Excellent" for the 2025 season under the EU Bathing Water Directive.
What other naturist places are near Altrheinsee?
The closest are Campingplatz Jakobsbergerau (20 km (12 mi)), Vereinsgelände für Sport und Naturismus ORPLID-Darmstadt e. V (24 km (15 mi)) and Naturist Nus Mannheim (25 km (15 mi)).
Sources
Status from OpenStreetMap (nudism=customary). Not yet verified against an official source; local rules may have changed. Data updated 2026-10-31. All data sources and licenses. © OpenStreetMap contributors.