In 1982, after 16 years as a social worker, she changed careers to help her friend, Shelley Tennyson, start a company that could make adventure trips both fun and safe.
Women Entrepreneur
Donna began Mariah Wilderness Expeditions by turning a 10-year hobby (rafting the California rivers) into a business. Her original business partner was Shelley Tennyson, whose son, Laine, is now a Mariah river guide. She is still having fun and finding the business challenging.
Adventure Travel Business
Mariah Wilderness is your gateway to some of the most spectacular California white water rafting river trips in the West. The exhilaration of rafting California’s most renowned white water, completely free of distractions and the busyness of life, is a discovery of not only nature itself, but of the many joys that make life so sweet. You will find another world of crystal clear water-carved canyon walls, and the melodious sounds of rushing water with singing birds on an American River South Fork rafting trip, Middle Fork rafting trip, North Fork rafting adventure, or a combination of Northern California Rivers Vacation.
After over 27 years of guiding adventure travelers around the world, Mariah Wilderness Expeditions continues to offer personalized service with a family-like friendly staff. We are passionate and committed to creating the best adventure travel and rafting vacations of the world’s finest rivers.
