Key takeaways
- A piton is a metal spike hammered into a rock crack as a protection or anchor point.
- It's driven in and removed with a hammer, unlike modern removable protection placed by hand.
- Pitons scar the rock, so the 'clean climbing' movement replaced them with nuts and cams.
- They survive in aid climbing, big alpine routes, and as fixed in-situ gear on established lines.
From French 'piton' (a peak or eye-bolt).
What a piton is
A piton is a metal spike with a hole (eye) for clipping a carabiner, hammered into a crack in the rock to make a point of protection or part of an anchor. Different shapes — blades, angles, and others — fit different crack sizes. The defining feature is that pitons are driven in and removed with a hammer, unlike gear placed by hand.
History and clean climbing
For decades pitons were the standard protection in traditional and aid climbing. But hammering them in and out repeatedly scarred the rock. In the 1970s the clean climbing movement championed removable nuts and, later, cams that protect without damaging the rock — and these became the norm for free climbing.
On a remote alpine first ascent where a thin seam won’t accept a cam or nut, a climber still hammers in a piton for protection — a context where clean gear simply won’t work — while at the local crag they protect the same-width crack with hand-placed nuts.
Modern use
Today pitons persist in aid and big-wall climbing, committing alpine routes, and as fixed in-situ gear on established lines, but removable protection has replaced them for everyday free climbing.
The bottom line
The piton is a piece of climbing history — the hammered-in spike that once made protecting cracks possible, then was largely retired by the clean-climbing ethic and the rise of removable nuts and cams. It endures in aid, alpine, and big-wall climbing and as fixed gear, but rock-scarring is why hand-placed protection now rules the crag.
Frequently asked questions
What is a piton in climbing?
A piton is a metal spike with a carabiner eye that a climber hammers into a crack in the rock to create a point of protection or an anchor. The hammer drives it in until it's secure, and a hammer is also used to remove it — distinguishing it from modern protection placed and retrieved by hand.
Why did climbers stop using pitons?
Repeatedly hammering pitons in and out scars and damages the rock, especially on popular routes. In the 1970s the 'clean climbing' movement promoted removable protection — nuts and later cams — that protects without marring the rock, and these became standard for free climbing, largely retiring the piton.
Are pitons still used today?
Yes, in specific contexts: aid climbing, remote alpine and big-wall routes where clean gear won't protect a pitch, and as fixed (in-situ) pitons left on established climbs. But for everyday free climbing, removable nuts and cams have replaced them.
Sources
- Clean climbing & protection history — American Alpine Club
- Climbing protection standards — UIAA