Our Mission
The Ontario Alliance of Climbers is an independent provincial, volunteer non-profit organization that works diligently to keep climbing and bouldering areas open.
The 2025 OAC Survey is Live!
The OAC annual survey helps us better understand the Ontario climbing community and your experiences out at the crag. The information you share will help inform discussions as we work with land owners & managers across the province.
Click here to complete the 2025 OAC Survey!
2025 OAC SurveyWhat’s New?
Rattlesnake Spring Fling – June 8th
The OAC Rattlesnake Spring Fling is back! The Spring Fling is a day spent contributing to crag maintenance and strengthening our relationship with Conservation Halton. We'll spend the morning picking…
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Crag Status
Planning to climb outdoors?ย Find out if your crag is open or closed!
View Crag Status