These events, sponsored by the International Society of Arboriculture, bring together top climbers from around the world to ...

Being an arborist is one of the most dangerous jobs in the country. Go inside a tree-climbing competition to see the skills ...

Climbers Brian French and Will Koomjian ascend the Brummit fir in Coos County Oregon. It is the National Champion Douglas fir and stands 335 feet tall. Freesolo Photography / Sean O'Connor “Watch out!

Sydney Hudzinski climbs in the 2023 Minnesota Society of Arboriculture's Tree Climbing Championship. She won in 2024 and is returning to compete in 2025. NINA MOINI: There's a kid in your life who ...

Vertical Voyages takes students upward to sleep in the trees at John Burroughs School. This story first appeared in the Outdoors newsletter. Click here to learn more and sign up. Sometimes, Jon ...

On an October day in Plumas National Forest, Alex Lemnah traverses the canopy of an incense cedar nearly 100 feet off the ground, listening carefully for the sound of a branch snapping under his feet.

KINGSTON — Leo and Max Ordoñez, both 6, come roaring into the wooded park and soon they’re scrambling up towering Douglas firs with youthful exuberance. The twins are joined by Leon Schwarcz, also 6, ...