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100 Mile Challenge

100 Mile Challenge

May 29 – September 5

Walk, run, hike, paddle, or pedal—or any combination of any human-powered activity—100 miles in 100 days to celebrate 100 years of ADK!

Raise $100 or more in sponsorships, and win a 100 Mile Challenge patch. Additional prizes will be awarded to the three people who raise the highest amounts, and to those who reach the following sponsorship levels: $100, $250, $500, and $1000.

Accept the Challenge and Register Today!

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Get Outside with ADK

Discover your connection to the Adirondacks through a guided hike, workshop, trail project, or another ADK-led event this summer.

Join Our Team!

Looking for a summer or year-round hospitality position? ADK offer benefits like paid sick time, on-site housing, staff discounts, and more.

May is Membership Month!

Support our mission with membership! Purchase a new one-year membership in May and receive a cotton ADK fire tower bandana (valued at $6.99). Use code ADKWEB22 at checkout.

Teen Programs

Looking for opportunities for your teen to get hands-on outdoor experiences, learn new skills, and embark on a lifetime of outdoor exploration? Then have we have programs for you (and them)!