Many things can threaten our access.
Learn how you can help.
Get InvolvedOur 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?
2025 Ontario Crags Calendars & End-of-Year Wrap Up
As 2024 comes to an end, it's almost time to switch out your 2024 calendar with the newest 2025 Ontario Crags Calendar! Get yours now online here Or, visit Ontario…
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Crag Status
Planning to climb outdoors? Find out if your crag is open or closed!
View Crag Status