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Adult Program Hike on Santanoni
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Hike up Roostercomb and discussion on tree health and risk mitigation with a board certified master arborist
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Adult Program Hike on Gothics
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Fern walk at School Pond

ATIS Adult Program  

​​Please click here to view the ATIS 2025 Adult Program calendar.
Important Adult Program Reminders:
  • We kindly request that Adult Program leaders and participants are 2025 members of ATIS. As a non-profit, ATIS relies on the generosity of member donations. We are grateful for your support. Please click on the donate tab to renew your membership for 2025 or to become a new member of ATIS.
  • Before participating in or leading your first Adult Program trip for the season, ATIS requires that all participants sign an Adult Program participation waiver and that volunteer trip leaders sign an Adult Program trip leader volunteer waiver. 
  • The Adult Program Calendar evolves throughout the season. Trips are added (and sometimes removed), and details/times are occasionally updated. Please check the version available on the website (click the green link at the top of this page) for the latest-and-greatest copy. The version on the ATIS bulletin board may be outdated.
  • You should sign up for trips at least 24 hours before the trip is scheduled to take place by contacting the trip leader directly.
  • If you sign up and then can't go, you should cancel by 5:00pm the day before the trip.
  • You should always contact the leader by 5:00pm the day before the trip to verify it's on and to confirm plans.
  • If no one signs up, the trip is automatically cancelled.
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Tour of a local sheep dairy farm
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Adult Program Hike on Ampersand
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Puling over a low barrier on the Hudson River above Tahawus
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Flipping Burgers at the Picnic
In deference to his wife, Sarah, John Marble persuaded the ATIS Board to introduce some slower-paced, adults-only hikes into the 1984 summer schedule. The ATIS Adult Program began modestly, with just three trips run exclusively for adults during that summer, and has bourgeoned into a program that most summers offers excursions every day of the week during July and August.

Volunteers are invited and recruited (we welcome folks to step forward anytime!) to lead expeditions to one of their favorite destinations, while interested adults are asked to contact the leader to get instructions on where to meet and what to bring. Past trips have included everything from dinner on the shores of a beautiful lake to the ascent of a 46er, with short hikes to waterfalls or easy paddles downstream in between.

If you would like to volunteer to lead an Adult Program trip please contact Jill Yeomans at [email protected]​ 
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Adirondack Trail Improvement Society
PO Box 565
Keene Valley, NY 12943
(518) 576-9157 (ATIS Hut - summer season only)
(585) 802-0671 (Executive Director, Zack Floss)​
[email protected]
The above email is not always checked daily. In season, call the ATIS Hut phone for more immediate trip and sign-up information.
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