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Hotel Diehlberg am the Biggesee
Enjoy your well-deserved time out
Current offers
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Welcome to Hotel Diehlberg
Our four-star conference and wellness hotel Diehlberg is located in the middle of greenery, surrounded by idyllic nature directly on the breathtaking the Biggesee.
Let yourself be enchanted by the beauty of the Sauerland on hikes, bike tours or ski excursions or simply enjoy a relaxing break in our hotel.
In our modern wellness & spa area, you can relax and leave everyday life behind you. Immerse yourself in our soothing massage treatments and relax by the heated outdoor pool.
Find your retreat
Rooms & Suites

All-round enjoyment for your stay
Feel-good board at Hotel Diehlberg
Experience culinary variety and warm hospitality with our feel-good board. Start the day with a hearty breakfast and enjoy a wide selection of fresh, regional products. In the afternoon, we invite you to a lunchtime snack - with homemade cake, a warming soup as well as fresh bread and crispy rolls. In the evening, a varied 3-course half-board awaits you, served as a lovingly prepared menu or a varied buffet, depending on what is on offer.
Let yourself be pampered and enjoy carefree days full of pleasure and relaxation in the Diehlberg!
Your feel-good world
Our wellness & Spa offer
Leave your everyday life behind and immerse yourself in a feel-good world full of relaxation and enjoyment of nature!
Immerse yourself in the world of relaxation in our wellness and spa area. Enjoy soothing moments in the Finnish sauna, sanarium or infrared cabin. Leave everyday life behind you in our cozy relaxation rooms, swim a few lengths in the heated outdoor pool or work out in our modern fitness rooms. A place where well-being comes first.
Find out more about our wellness hotel
What makes us special
Our four-star conference and wellness hotel Diehlberg is the perfect place to enjoy a feeling of privacy in a family environment.
The familiar size of the hotel will make your stay with us a very special experience. You will quickly learn that we are not just about accommodation, but that we place great value on the personal touch.
Whether hiking through the idyllic Sauerland countryside or cycling along the picturesque Biggesee lake - our hotel offers numerous opportunities to enjoy nature to the full.
If you long for relaxation, peace and quiet, then our large wellness & spa area is just right for you. Here you can unwind and let yourself be pampered.
Find out more about our conference hotel
What makes us special
Our four-star conference and wellness hotel Diehlberg not only impresses with its excellent location in the middle of green spaces directly on the picturesque the Biggesee, but also with its cozy and comfortable rooms, which offer your conference participants a relaxing stay.
Our modern conference rooms are equipped with the latest technology and, in combination with our professional service, offer a productive working environment that is tailored to the individual needs of your conference. This will make your event a complete success!
Our experienced kitchen team will spoil your conference participants
with first-class catering that includes local and international dishes
and takes individual eating habits into account.
After the conference, your conference participants can relax and unwind in the modern wellness & spa area with heated pool.
Find out more about our wellness hotel
What makes us special
Our four-star conference and wellness hotel Diehlberg is the perfect place to enjoy a feeling of privacy in a family environment.
The familiar size of the hotel will make your stay with us a very special experience. You will quickly learn that we are not just about accommodation, but that we place great value on the personal touch.
Whether hiking through the idyllic Sauerland countryside or cycling along the picturesque Biggesee lake - our hotel offers numerous opportunities to enjoy nature to the full.
If you long for relaxation, peace and quiet, then our large wellness & spa area is just right for you. Here you can unwind and let yourself be pampered.
Business customers
Our offers for business customers
Our four-star conference and wellness hotel Diehlberg not only impresses with its excellent location in the middle of green spaces directly on the picturesque the Biggesee, but also with its cozy and comfortable rooms, which offer your conference participants a relaxing stay.
Our modern conference rooms are equipped with the latest technology and, in combination with our professional service, offer a productive working environment that is tailored to the individual needs of your conference. This will make your event a complete success!
Our experienced kitchen team will spoil your conference participants
with first-class catering that includes local and international dishes
and takes individual eating habits into account.
After the conference, your conference participants can relax and unwind in the modern wellness & spa area with heated pool.
The perfect location for your event
Events at the Hotel Diehlberg
With our experienced team and our modern facilities with high-quality equipment, your event at our hotel will be a complete success that will be remembered.
In a quiet and idyllic location, we can offer you the necessary flexibility for your tailor-made event in our 4-star conference and wellness hotel. From small meetings to large conferences and weddings. You are in good hands with us!
IMMEr on board
Our inclusive services
Start your morning with a rich breakfast buffet that leaves nothing to be desired. You can look forward to a varied selection of fresh baked goods, savory and sweet spreads, fresh fruit, yogurt and hot dishes. We also serve aromatic coffee, a selection of teas and various juices. Our breakfast offers you the ideal refreshment for a successful day - whether for business appointments or a relaxing vacation.
Treat yourself to a break from everyday life and enjoy our spacious wellness and spa area. Here you will find various saunas, an inviting, heated outdoor pool and cozy relaxation areas that invite you to linger. Let yourself be pampered by soothing warmth and a relaxed atmosphere and recharge your batteries. Whether after an eventful day or simply for pure relaxation - our wellness area is at your disposal for your personal time-out.
For your relaxing time-out in our wellness and spa area, we provide you with a fluffy sauna towel and a comfortable bathrobe on loan. So you can enjoy your visit to the sauna or pool without a care in the world and feel completely at ease. Our aim is to offer you the highest level of comfort - lean back and leave everyday life behind you.
To make you feel right at home after your arrival, we provide you with a free bottle of mineral water in your room. After a long journey or an exhausting day, you can refresh yourself and arrive. Enjoy the comfort and start your stay with us relaxed.
Whether for business purposes or for entertainment - free high-speed WiFi is available throughout our hotel. This means you can check your emails at any time, surf the internet at your leisure or stay in touch with your loved ones. Enjoy unlimited connectivity and stay well connected during your stay.
For a stress-free arrival and maximum comfort, we offer free parking directly at the hotel. Regardless of whether you arrive by car or use a rental car - your vehicle is parked safely and conveniently during your stay. This saves you a long search for a parking space and allows you to enjoy your stay from the very first minute.
Would you like a little more?
Optional additional services
Experience culinary variety and warm hospitality with our feel-good board. Start the day with a hearty breakfast and enjoy a wide selection of fresh, regional products. In the afternoon, we invite you to a lunchtime snack - with homemade cake, a warming soup as well as fresh bread and crispy rolls. In the evening, a varied 3-course half-board awaits you, served as a lovingly prepared menu or a varied buffet, depending on what is on offer.
Let yourself be pampered and enjoy carefree days full of pleasure and relaxation in the Diehlberg!
Treat yourself to a soothing break with our exclusive wellness and spa treatments. From relaxing massages and invigorating facial treatments to individual wellness rituals - let yourself be pampered and recharge your batteries. We will be happy to advise you personally on our current offer and reserve your desired treatment for an unforgettable wellness moment.
Travel comfortably with your electric vehicle and use our modern e-charging stations. These can be used via an external provider with the usual charging cards. While you enjoy your stay, your car charges safely and easily. Sustainable travel - without any stress.
Your four-legged companion is also welcome here! You can bring up to two dogs in selected rooms. We charge a fee of €15 per night and animal for your pet. Enjoy relaxing days together surrounded by nature - ideal walks and fresh air await you right outside the door. Please let us know in advance if you would like to travel with your dog.
Organize your time out according to your individual wishes!
Hiking vacation in the Sauerland
Learn moreYour wellness vacation at the Biggesee
Learn moreOff to the slopes
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Our good weather guarantee
If the weather does not suit you (for whatever reason), you can end your stay early without forfeiting the pro rata residual value. The vacation can then be continued within one year with full credit of the remaining value (non-transferable). There are no additional reservation fees. The conditions of our general terms and conditions apply.

WITH BEST PRICE GUARANTEE
Book your stay now
We look forward to welcoming you to the Hotel Diehlberg.