Boa Constrictor offers climbers a rugged taste of trad climbing on Ontario’s escarpment, carving its path along a wide crack and chimney feature that dominates the middle section of Buffalo Crag’s cliff face. Located within the Golden Horseshoe area of Rattlesnake Point, this single-pitch, 70-foot route demands more than just basic climbing skills—it tests your versatility and strategy in crack climbing. The crack widens and narrows as it rises, allowing for a blend of chimney moves and off-width techniques depending on your size and preference. For those who prefer a bit of variety, the corner formation accommodates plenty of stemming, providing options to skirt the crack or dive straight into it for a true off-width challenge.

Early arrival is a smart move here given the route’s popularity. It’s one of the more frequented lines at Buffalo Crag, attracting climbers looking for a moderate trad climb with some technical nuances at a 5.4 rating. The rock is solid limestone typical of the Niagara Escarpment, with subtle textures that give your feet just enough grip for secure placements. Above, the glue-in anchors stand 1.5 meters back from the cliff edge, requiring a longer cord or doubled slings for safe and comfortable rappelling.

The approach to Boa Constrictor is straightforward, mainly following established park trails inside Rattlesnake Point Conservation Area. Expect a brief hike through mixed forest heading toward Buffalo Crag, where the rock face emerges from the tree line with dramatic presence. The trail is well-marked but moderately rough in spots, so sturdy footwear is advised. In terms of timing, early morning or late afternoon sessions offer cooler temperatures and softer light, helping to keep the crack dry and maintain friction.

Protection is decent but demands attention. While the guidebooks note generally good gear placements, those used to a full Niagara Escarpment rack may find smaller cams or micro nuts necessary to secure gear in the tighter sections or on adjacent faces. Your best bet is to bring a varied rack with multiple small to medium cams, along with long slings to extend placements on the uneven corner. Planning your protection sequence is crucial, as the chimney and crack sections encourage creative placements and wider gear may be harder to find.

Boa Constrictor accommodates climbers across a range of skill levels but especially rewards those ready to hone off-width techniques or enjoy stemming moves in a corner that feels alive with the spirit of the rock. The pathway up here isn’t just about climbing it—it’s about engaging with the rock’s personality and ambiguity, choosing your own rhythm between crack or face, and feeling the limestone pulse beneath your hands. It’s a route that balances approachable difficulty with a touch of adventurous edge, perfect for a day trip or as a warm-up to longer climbs in the area.

After topping out, descending via the fixed anchors with a doubled sling or cordelette is the safest method. Avoid winging the downclimb as the edge is steep, and the rock beneath can be sharp or loose in spots. Carrying a helmet on both ascent and descent is recommended given the popular nature of the crag and occasional loose stone. Hydration, a solid warm-up, and attention to weather conditions will ensure a smooth day on the rock. Whether you’re tackling Boa Constrictor as a first trad climb or as part of your Ontario climbing itinerary, the route offers satisfying movement, reliable protection, and a chance to connect with the escarpment’s raw limestone personality.