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The Kalkberg with its open-air stage in Bad Segeberg

📍 Sights

Bad Segeberg: the Kalkberg cave, bats & Karl May plays

A day-trip town with three highlights at once: a walk-in cave in the Kalkberg, tens of thousands of hibernating bats and the famous Karl May open-air plays. Plus a lake and an old brick church. A rewarding day trip from our guesthouse.

Bad Segeberg is one of the most rewarding day trips in the wider region, because several attractions come together here in a small space. The Kalkberg rises in the middle of town, inside it lies a walk-in cave where tens of thousands of bats hang in winter. Right next to it, the large open-air stage hosts the famous Karl May plays each summer, one of Germany’s best-known open-air theatres. Add a lake and a very old brick church. From our guesthouse in Liesbüttel it is just under an hour’s drive.

Proud town of Bad Segeberg

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inhabitants

And rumour has it that in winter more bats hang in the Kalkberg than the town has inhabitants. Here it is actually true: over thirty thousand animals hibernate in the cave. Nobody fancies counting them, though, in the dark and upside down it is hard to keep track.

Bad Segeberg at a glance

  • District town of the Segeberg district in Schleswig-Holstein
  • Around 18,508 inhabitants, an old brine spa town
  • The Kalkberg with its walk-in cave in the middle of town
  • A large bat winter roost, plus the Noctalis experience centre
  • The Karl May open-air plays, running since 1952
  • Just under an hour from Hanerau-Hademarschen, near Neumünster

The Kalkberg and its cave

KalkbergLandmark

The Kalkberg rises in the middle of town and is actually made of gypsum rather than limestone, so the name is a little misleading. Today it is around ninety metres high, once much higher until centuries of gypsum mining wore it down. From the top you have a wide view over town and lake. The Siegesburg castle once stood here and gave the town its name.

Kalkberg caveShow cave

In the lower part of the hill lies the Segeberg show cave, discovered in 1913 and the only show cave in northern Germany. At a constant ten degrees or so, a path leads through the cool gypsum cave. Important: the cave can only be visited in the summer half-year, roughly April to September; in winter it is reserved for the bats. It is best to check the current times beforehand.

Right beside the winter roost is Noctalis, an experience centre all about bats. Over thirty thousand animals of several species hibernate in the cave, one of the largest and most important bat winter roosts in northern Europe. At the centre you get up close to these fascinating creatures.

The Karl May plays

Bad Segeberg’s best-known feature is probably the Karl May plays. Since 1952, a story based on the novels of Karl May has been staged every summer on the large open-air stage at the Kalkberg, with horses, stunts and well-known leading actors. The stage seats around seven thousand seven hundred spectators and fills up year after year: in good years well over four hundred thousand visitors come in a single season, and since it began the total runs into many millions. Performances take place in the summer months, and the exact dates change from year to year, so it is worth checking the current programme before you plan.

Lake, old town and history

Großer Segeberger SeeNature

On the edge of town lies the Großer Segeberger See, lovely for a stroll along the shore, for swimming or for a boat trip. The spa house was built on its steep bank as early as 1885, when Bad Segeberg became a brine spa.

St Mary’s churchRomanesque

St Mary’s church is a Romanesque brick building whose construction began in 1156 with an Augustinian monastery. It is considered one of the earliest brick churches in northern Germany and holds a valuable carved altar from the 16th century.

Old Segeberg town houseMuseum

On Lübecker Straße stands the oldest surviving house in town, from 1541, now set up as the town museum. A vivid glimpse into old Segeberg.

History

The history of Bad Segeberg begins on the Kalkberg: in 1134 Emperor Lothair III had the Siegesburg castle built there, and the town’s name derives from it. Church and monastery followed in 1156. For centuries the mining of gypsum and salt shaped the place. In 1868 rock salt was even struck beneath the Kalkberg, which could not be mined because of water ingress, but whose escaping brine later gave rise to the spa business. From 1884 Segeberg developed into a brine spa, and in 1924 the town was officially allowed to call itself a spa town. Gypsum mining ended in 1931, the open-air stage was built in the old quarry in the 1930s, and the Karl May plays have run there since 1952.

Worthwhile destinations nearby

The largest town in the area with a designer outlet, a zoo and a museum, conveniently on the way between our guesthouse and Bad Segeberg. All on our own place page.

The quiet neighbouring village of our guesthouse, with traces of Theodor Storm, the Hanerau estate and a working watermill.

The canal town with its high bridge, transporter bridge and canal tunnel, a technical highlight on the Kiel Canal.

Kiel CanalWater

Around our guesthouse lie the canal villages with their ferries and big ships, a lovely contrast to the bustle of the Karl May plays.

Frequently asked questions

Where is Bad Segeberg?
Bad Segeberg is the district town of the Segeberg district in Schleswig-Holstein, east of Neumünster. From our guesthouse in Liesbüttel it is just under an hour’s drive, roughly seventy kilometres.
What can you see in Bad Segeberg?
Above all the Kalkberg with its walk-in cave, the Noctalis bat centre, the Karl May plays on the open-air stage, the Großer Segeberger See and the old St Mary’s church. An unusually dense mix for a town of this size.
What is the Kalkberg?
The Kalkberg is a rock in the middle of town that is actually made of gypsum. Today it is around ninety metres high, once much higher until gypsum mining wore it down. The Siegesburg castle, which gave the town its name, once stood on it.
Can you visit the Kalkberg cave?
Yes, it is the only show cave in northern Germany and can be walked through in the summer half-year at a constant ten degrees or so. In winter it stays closed for the hibernating bats. It is best to check the current times beforehand.
How many bats hibernate in the cave?
According to the Noctalis experience centre it is over thirty thousand animals of several species. This makes the cave one of the largest and most important bat winter roosts in northern Europe.
What is Noctalis?
Noctalis, the world of bats, is an experience centre right by the Kalkberg, next to the winter roost. It is all about bats, and you get up close to the animals.
What are the Karl May plays?
The Karl May plays are a famous open-air theatre that has staged a story based on the novels of Karl May every summer on the stage at the Kalkberg since 1952, with horses, stunts and well-known leading actors.
When do the Karl May plays take place?
Performances take place in the summer months, usually from late June to early September. The exact dates change from year to year, so it is worth checking the current programme before planning.
How many spectators does the open-air stage hold?
The stage at the Kalkberg holds around seven thousand seven hundred spectators. In good years well over four hundred thousand visitors come in a single season.
Should you book tickets for the Karl May plays in advance?
Yes, especially at weekends and during the holidays the performances are often well attended. It is worth securing tickets early via the official site.
Can you swim in the Großer Segeberger See?
The lake on the edge of town invites walking, swimming and boat trips. It is best to check the current spots and offerings on the tourism site shortly beforehand.
What is the story of St Mary’s church?
St Mary’s church is a Romanesque brick building whose construction began in 1156 with an Augustinian monastery. It is considered one of the earliest brick churches in northern Germany and has a valuable carved altar from the 16th century.
Why is the town called Bad Segeberg?
Because from 1884 the place developed into a brine spa, based on the brine from underground. In 1924 the town was officially allowed to call itself a spa town.
Where does the name Segeberg come from?
From the hill and its castle: in 1134 Emperor Lothair III had the Siegesburg castle built on the Kalkberg. Over time Siegesburg became Segeberg.
How do I get to Bad Segeberg?
Most conveniently by car, just under an hour from Hanerau-Hademarschen via the Neumünster area. By train you usually go via Neumünster, from where there is an hourly connection to Bad Segeberg.
How far is Bad Segeberg from Neumünster?
It is around thirty kilometres. So Bad Segeberg and Neumünster combine well into a single day out.
Is Bad Segeberg suitable for children?
Very much. The cave, the bats at Noctalis and the Karl May plays with horses and stunts are a real treat for children. Plus the lake to romp by.
Is Bad Segeberg worth a whole day?
Quite possibly. The cave, Noctalis, a stroll through the old town and the lake easily fill a day, and with an evening Karl May performance it becomes a full day out.
What can you do in Bad Segeberg when it rains?
The cave is pleasantly cool in any weather, and the Noctalis centre and the town museum are covered. So Bad Segeberg is a good destination in the rain too.
Can you climb the Kalkberg?
Yes, a path leads up, and from the top you have a wide view over town and lake. It is a short, rewarding climb right in the middle of town.
Is Bad Segeberg worth a visit with a dog?
For a walk by the lake and through the old town, yes. The cave, Noctalis and the Karl May plays have their own rules, so please follow the local signs.
Can you see the bats all year round?
The large number of hibernating animals hangs in the cave during the winter half-year, when it is closed to visitors. At the Noctalis centre, however, you can get to know the bats all year round.
What can you do around Bad Segeberg?
Rewarding are Neumünster with its outlet and zoo, quiet Hanerau-Hademarschen by our guesthouse and the canal town of Rendsburg with its great structures.
Is Bad Segeberg a good contrast to a quiet country holiday?
Very much so. If you are spending a few quiet days by the canal, Bad Segeberg offers the right action-packed day with a cave, bats and open-air theatre.
Where can I stay nearby?
In a quiet setting at our small guesthouse Nord-West 1700 in Liesbüttel, from where Bad Segeberg makes a lovely day trip. Our cosy rooms make a good base for the whole region.

Stay quietly, explore with a thrill

Would you like to experience the cave, the bats and the Karl May plays and return to the quiet countryside in the evening? Our guesthouse in Liesbüttel is just under an hour away, with a hearty breakfast and first-hand tips.

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