Save-the-date for our postponed Hudson Valley event is September 25, 2027.
Registrations are currently not possible - stay tuned for more details early January, 2027.
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We are excited to be back for MammothMarch Hudson Valley at Harriman State Park – the second-largest State Park in New York featuring 31 lakes, two beaches, public camping areas, miles of streams and scenic roads as well as scores of wildlife species & vistas.
One of our most scenic (and most challenging) 20-mile single-circuit hiking routes of the season starts and finishes at Lake Welch and leads along Long Path, Beech Trail, Arden Surebridge Trail and many more – all ready for you to conquer on September 25, 2027.
The Hudson Valley is steeped in history, natural beauty, culture, and a burgeoning food and farmer’s market scene. No wonder why National Geographic Traveler named this region a “Top 20 Best of the World Destinations”.
Mastering our challenge, you will be exhausted, but proud and happy... as well as part of our amazing community of nature-lovers, hikers and MammothMarch addicts!
Take a look at what's included:
Please note that all prices are INCLUSIVE of mandatory charges, items, and fees.
Registration fees
Where pricing applies, shown amounts include mandatory charges, items, and fees.
MammothMarch Hudson Valley Closed
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Spend a beautiful day hiking and finish 20 miles in 8 hours
Contact information
- Event contact
- MammothMarch Event Team
- Website
- Visit website
