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appenzeller in the woods

Welcome to 
Keystone Appenzellers

We breed Appenzeller Mountain Dogs on our farm in Central Pennsylvania, and are super excited to introduce/promote this breed into the USA. Our passion for these dogs drives us to provide the best care, training, and breeding practices. We strive to produce healthy, well-socialized puppies that will make great companions for families and individuals. Our dedication to the breed sets us apart, and we can't wait to share our love for Appenzeller Mountain Dogs with you.

Click HERE to learn more about the breed!

Current Litter!

sleeping appenzeller
Appenzeller Puppies

Whelp Date: 03/15/25

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Sire: Ca' Del Corsi Aki

Dam: Queen Renegade

Take Home: 05/10/25

(puppies are sold with limited registration)

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Puppies Currently Available for Reservation

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american dog

Bred in the USA

Our Appenzellers

Ca' Del Corsi Aki

Agility Dog, High Energy Dog

We imported Aki from Ca' Del Corsi in Italy. He is full of energy and loves to be at our side no matter the adventure.

Italian dog

Queen Renegade

appenzeller at home

We imported Renegade from Bahlara Ranch in Slovakia. She has a sweet temperament and is very affectionate.

Slovakian dog

Breed Recognition

 We would love to see this breed become an official recognized breed by the AKC and encourage everyone who takes home a puppy to also register them with the Foundation Stock Service with the AKC.

Let's get this breed recognized!

Appenzeller Facts

mountain dog

One of the four Swiss Mountain Dog Breeds

active dog

Highly Active

wary of strangers dog

Wary of strangers, cannot be bribed

paw print

Very intelligent, quick learners

family dog

Loyal to family

cattle dog

Known as a cattle dog

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