Offers a discussion forum plus photos.

Registered outfitter/guide service offers customized trips and instructional programs designed to meet the diverse needs of most people regardless of age, experience or physical ability. Includes details of expeditions and education programs, news and FAQs. Located in Eugene, Oregon, United States.

Offers guided tree climbing experiences for adults and children based in the north Georgia mountains. Includes pictures, information, quotations, and links.

Articles on tree care, equipment use, cat rescue, and other tree climbing issues. Discussion forum. Photos.

Non-profit organization in Michigan offers climbing activities for people of all abilities and all ages. Includes details of specialized equipment, photos, upcoming events and links.