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Outdoor activities

in Allendale, NJ

Discover outdoor activities in Allendale with Meetup. Whatever your interest, Meetup helps you connect with like-minded people.

Hiking

New Year's Hike (Moderate)

Thu, Jan 1, 2026 · 10:30 AM EST

New Year's Hike (Moderate)

by Appalachian Mountain Club New York-North Jersey

New Year's Day Hike: Bearfort Ridge and Surprise Lake Loop / 8+ Miles

Thu, Jan 1, 2026 · 9:30 AM EST

New Year's Day Hike: Bearfort Ridge and Surprise Lake Loop / 8+ Miles

by Nature and Outdoors

First Day Harriman Hike to Reeves - New Members Welcome!

Thu, Jan 1, 2026 · 10:30 AM EST

First Day Harriman Hike to Reeves - New Members Welcome!

by Appalachian Mountain Club New York-North Jersey

Pyramid Mountain 6+ miles

Sat, Jan 3, 2026 · 9:00 AM EST

Pyramid Mountain 6+ miles

by The Great Outdoors

Walking

Weekly Social Walk (20s–30s)

Sat, Jan 3, 2026 · 1:00 PM EST

Weekly Social Walk (20s–30s)

by Bayside Weekly Walkers

Happy New Year's Day Walk

Thu, Jan 1, 2026 · 12:00 PM EST

Happy New Year's Day Walk

by Shorewalkers: Members Only Group

Walk at Grover Cleveland Park

Fri, Jan 2, 2026 · 9:30 AM EST

Walk at Grover Cleveland Park

by Let's Walk!!

Drive the Winter Blues away with The Fabulous Rhythm Aces

Sun, Jan 11, 2026 · 1:30 PM EST

Drive the Winter Blues away with The Fabulous Rhythm Aces

by Rockland Singles 60 Plus Afternoon Walks, Hikes, Arts & Ent.

Running

New Beginnings Brunch

Sat, Jan 3, 2026 · 11:30 AM EST

New Beginnings Brunch

by Sisterhood After 40

Sunday Run - Tallman Mountain State Park with Diane

Sun, Jan 4, 2026 · 8:00 AM EST

Sunday Run - Tallman Mountain State Park with Diane

by Palisades Running Club

Sunday Run - Rockland Lake State Park with Andrea

Sun, Jan 11, 2026 · 8:00 AM EST

Sunday Run - Rockland Lake State Park with Andrea

by Palisades Running Club

Streets of Ridgewood Saturday Morning 3-5 Mile Run

Sat, Jan 3, 2026 · 9:00 AM EST

Streets of Ridgewood Saturday Morning 3-5 Mile Run

by The North Jersey Road Runners

Cycling

Hiking at Harriman

Sun, Jan 4, 2026 · 10:00 AM EST

Hiking at Harriman

by The NJ Biking & Hiking Group

Walk & Talk - The High Line

Sat, Jan 3, 2026 · 3:00 PM EST

Walk & Talk - The High Line

by Neverwinter Free Hiking and Cycling

NEW YEARS 2025 1st weekend HIKE STONETOWN CIRCULAR, Considered NJ HARDEST

Sat, Jan 3, 2026 · 8:00 AM EST

NEW YEARS 2025 1st weekend HIKE STONETOWN CIRCULAR, Considered NJ HARDEST

by Hudson Valley Hikers

NYC-ADV Monthly Mixer /// 1st Thursdays

Thu, Jan 1, 2026 · 7:00 PM EST

NYC-ADV Monthly Mixer /// 1st Thursdays

by NYC Adventure Cycling Club

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