About Hidden Hills Farm


Who We Are

We are a family owned and operated full service boarding and training facility. Our staff is dedicated to preserving a safe, friendly and educational environment where both horses and riders thrive. Situated on 40 acres of grassy land, our facilities boast a 200x250 Ft. outdoor arena, a 200x80 Ft. attached indoor arena, and ample turnout. 

We are located in beautiful Hillsborough Township, Central New Jersey, close to Routes 206, 202,78, and 287.



Cynthia Nienart

Farm owner and finance manager

Cynthia grew up on a farm in rural Massachusetts where she showed her own horse at the local 4-H Club in her hometown. Owning the Hidden Hills Farm is a dream come true!

Cynthia brings practical working knowledge of the financial and small business arena to Hidden Hills Farm. With a BS in Chemistry and an MBA, Cynthia has run her own business, C.A.N. Associates Inc. since March 2002. Cynthia has a hands on approach to managing the barn.

Cynthia spends her free time with her daughter, Julianna. Together they travel to the most competitive rated horse shows on the east coast with Julianna's top horse, Earl Grey.


Matt Nienart

Farm owner and project manager

​Matt has a long history of nearly 30 years with working with animals in the pharmaceutical field of animal health and sciences. Matt is now retired and loves spending time with the horses on the farm.

Matt  takes pride in keeping the barn looking beautiful and takes a very hands on approach with the up keep, and improvements of the farm.

Matt has a B.S. and three increasing levels of certification in the animal science field. He maintains his credentials by completing continuing education credits annually.