Cologne District
Rhein-Erft-KreisKerpenBoisdorfer See in the Marienfeld near Kerpen
Cologne District
Rhein-Erft-KreisKerpenBoisdorfer See in the Marienfeld near Kerpen
Highlight • Beach
Boisdorfer See in the Marienfeld near Kerpen
Cycling
4.7
(83)
Hiking
5.0
(4)
This Highlight is in a protected area
Please check local regulations for:
Tips
February 16, 2026
Cycling
former open-cast mining lake in the Rhein-Erft district between Kerpen and Frechen (North Rhine-Westphalia). It was created during the recultivation of the Frechen open-cast mine in the Marienfeld area and today primarily serves as a place for quiet recreation, biotope protection, and as a retention basin. Swimming, diving, and boating are strictly prohibited and life-threatening.
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Nearby routes
Best routes near Boisdorfer See in the Marienfeld near Kerpen
4.1
(13)
63
riders
40.1km
02:57
220m
220m
Moderate bike ride. Good fitness required. Mostly paved surfaces.
4.3
(18)
68
riders
Easy bike ride. Mostly paved surfaces.
4.6
(12)
43
riders
18.1km
01:11
60m
60m
Easy bike ride. Mostly paved surfaces.
Details
Informations
Elevation 70 m
Weather
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Thursday 29 October
13°C
4°C
0 %
Additional weather tips
Max wind speed: 11.0 km/h
Most visited during
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Location: Kerpen, Rhein-Erft-Kreis, Cologne District, North Rhine-Westphalia, Germany