The ASCA is a 501c3 nonprofit and depends almost entirely on donations from individual climbers. If you have ever clipped a replaced bolt with "ASCA" stamped on the hanger (and odds are you have), it was there because of community support. We wholeheartedly invite you to become one of these gracious individuals and help the ASCA maintain our climbing resources.

Dedicated Volunteers
The ASCA is composed of a nationwide group of dedicated crag stewards who replace deteriorating anchors on classic climbing routes. ASCA rebolters have the time, experience and desire to replace even more anchors with the help of your donation!

Where will your money go?
Each tax-deductible donation supports our efforts in buying bolts, lower offs, tools, and other supplies that will replace aging hardware at climbing areas all over North America. We have an extensive network of crag stewards and encourage experienced equippers to contact us for hardware to use in their replacement efforts. We also provide education to new rebolters and LCO’s to encourage a high standard of craftsmanship when doing maintenance work.

Replacement in 2025
Since 1998, the ASCA has supplied over 80,000 bolts for replacement work. The ASCA was born in Yosemite and our replacement efforts initially focused on some of the longest classic routes in the western US, but have expanded to many different climbing areas with aging hardware. The next wave of replacement, which is well underway, is to upgrade our earliest “sport” climbing venues with modern bolts and lower-off anchors.

Learn about our lower-off initiative here.

To do this we need YOU to become a member of the ASCA rebolting effort. We could greatly use your donation, even if it’s a small amount, particularly on a recurring basis.

The ASCA is a 501(c)(3) organization and all contributions are tax-deductible.

Send checks payable to:

ASCA
P.O. Box 3691
Boulder, CO 80307

Or click below to make an online donation.