A compact glacial lake set in the Teufelsmoor heath, Bultensee offers easy swimming and quiet trails just north of Bremen.
Bultensee is a small, spring-fed lake surrounded by pine forest and open heath in the Osterholz district. Its clear water and gently sloping sandy banks make it a reliable local swimming spot without the crowds found at larger lakes farther south.
The eastern shore has the most accessible entry points where the bottom remains sandy for several metres. Swimmers share the water with dragonflies and occasional ducks; motorboats are not permitted, keeping the surface calm. In warmer months the lake warms quickly, and many visitors simply float or wade along the reed-lined edges.
A flat 3 km loop path circles the lake through mixed woodland and heath. Short spurs lead to bird hides where herons and reed warblers can be seen. The surrounding Teufelsmoor landscape changes colour with the seasons, from purple heather in late summer to golden grasses in autumn.
Regional trains stop at Osterholz-Scharmbeck; from the station a 25-minute bus ride or a 40-minute cycle on marked paths reaches the lake parking area. Cyclists can combine the visit with the long-distance Aller-Weser-Radweg. Drivers follow the B6 north from Bremen and turn onto the smaller L149.
Late May through early September offers the warmest water and longest daylight for swimming and evening walks. Spring brings nesting birds and fewer visitors; October provides quiet paths and colourful foliage. Winter visits are possible for short walks but swimming is not recommended.
The historic town of Osterholz-Scharmbeck lies 8 km south with its timber-framed houses and small museums. Further north, the Worpswede artist colony offers galleries and cafés set in the same moorland scenery. A short drive east reaches the Weser river cycle paths for longer day rides.
Yes, the eastern shore has a shallow sandy bottom suitable for swimming and wading. No lifeguard is present, so visitors swim at their own risk.
Buses run from Osterholz-Scharmbeck station to a stop within a 10-minute walk of the lake. Check the regional timetable for connections from Bremen.
Dogs are permitted but must remain on a lead along the main path and are not allowed in the water during the main swimming season.
A small car park, picnic tables, and a basic toilet block are located near the eastern shore. No cafu00e9s or shops are on site; bring water and snacks.
The main loop is mostly flat and surfaced with compact gravel, though some short sections may be soft after rain. Assistance is recommended for standard wheelchairs.
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