



I'm Lydia J., the breeder behind Blue Mountain Great Danes LLC located in Pennsylvania. Our Great Danes are the result of extensive research and thorough care for our outstanding dogs and puppies. Our Great Danes are part of our family. We adore the breed! With each puppy, I have spent countless hours of socializing and making sure they receive the best care. We breed for temperament and health first and foremost.
Why did you start breeding?
What makes your program special?
What are the different breed coat colors in your program?
Where do your breeding dogs live?
These dogs are already reserved or have gone home.
Boy 2
Male
Girl 1
Female
Boy 1
Male
Girl 2
Female
Canyon
Male
Zion
Male
Everest
Female
Rainier
Female
Acadia
Female
Fuji
Male
Clay
Male
Oak
Male
Aspen
Female
Hickory
Male
Cedar
Male
Anchor ⚓️
Male
Pearl 💎
Female
🏴☠️ Pirate
Male
Peppermint Patty
Female
Pigpen
Male
Snoopy
Male
Lydia has been certified by Good Dog’s screening team for responsible and trusted breeding practices. When you’re ready, reach out to ask about the puppies or anything else on your mind. You’ll get to know each other through messaging, phone, or video and pay securely, all on Good Dog.
Together, you’ll choose the puppy that’s right for you, stay in touch with regular updates, and plan how to bring your new puppy home.

“Akc registration papers, 1 year genetic health guarantee, microchipped and registered for life through AKC re-unite, age appropriate vaccines and dewormed 2,4,6 and 8 weeks old. All deposits are applied to total cost of your puppy and remainder due at pickup. I send out a contract through Docusign that is first signed by both parties prior to taking deposit.”
Lydia may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Lydia offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don't hesitate to reach out to Lydia directly.
When you pay and communicate on Good Dog, you’re covered by Payment Protection.
You can drive or fly to pick up your puppy from Lydia.
Meet in Pennsylvania
91 miles away
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Meet at Baltimore/Washington Airport
44 miles away
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Lydia has been a member of Good Dog for over 4 years
Lydia was screened for responsible practices and has been a member since 2021.

Blue Mountain Great Danes LLC meets or exceeds our community standards in these areas:
Great Dane
About Glacier
Glacier is a AKC registered Harlequin. She resides with us and is also part of the family and takes part in our daily activities. Shes smart, spunky and fun! She loves a good cuddle and always by our sides.
Good health testing
Great Dane
About Rhyno
Rhyno is a male Great Dane. Carefully selected as a great representative of his breed, Lydia decided to make him part of their program. Lydia has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Great Dane
About Roo
Roo is a female Great Dane. Carefully selected as a great representative of her breed, Lydia decided to make her part of their program. Lydia has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Good level
Blue Mountain Great Danes LLC reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Great Danes.
Hip Dysplasia
Hip testing reduces the chance of passing down hip dysplasia, which is primarily found in large breed dogs and can cause hip pain and the eventual loss of the function of the hip joint.
Elbow Dysplasia Finals (OFA, BVA, SV, FCI)
Elbow testing reduces the chance of passing down elbow dysplasia, which is primarily found in large breed dogs and can cause arthritis in the elbow joint and front leg lameness.
Health testing is one key piece of responsible breeding and is performed on breeding dogs to prevent the presence of heritable conditions in their puppies.