About Us

Your Partner in Achieving an Active and Healthier Lifestyle

Mountain Fitness Mariposa is a full-service gym located in Mariposa, California. Committed to excellent customer service, we take great pride in providing a high-quality fitness atmosphere for everyone. In fact, our team has gone above and beyond the standard guidelines to maintain the safety of our members and visitors.


Owner jenni kiser & her husband pete

Jenni bought Mountain Fitness in 2015 in her final semester of her Maters Degree. Since then she has obtained her Personal Training Certification, Bootcamp Certification, Rock Steady Boxing Certification, P90X Certification and many more! She started her weigth loss journey in 2009 in this gym when it was named The Fitness Zone weighing in at 209lbs! After a few years she dropped nearly 70 lbs!~

A msg from Jenni "I enjoy being a part of our small community in such a positive way! Creating and maintaining a space where all levels of fitness feel welcome and supported"

We always do our best to uphold quality and reliability in everything we do. This is why we are focused on offering several types of classes and an variaty of equipment.

Connect With Our Team

If you have any questions, concerns, or feedback, please feel free to send us a message today.