We'd like to use analytics cookies to understand which symbols people look up, so we know what to research next. They are not used for advertising and we set none of them unless you say yes. What we store.
A small mark showing fixed protection.
Also known as: Bolt symbol topo, Topo bolt marking
The climbing topo symbol marking a bolt, a piece of protection permanently fixed in the rock.
Marks a bolt, a piece of protection fixed permanently in the rock, on a climbing topo.
Contexts: Maps
Records that a bolt was present when the topo was drawn, which is a historical statement and not a current one; a topo does not report a bolt's condition.
Contexts: Maps
A small dot or short stroke drawn beside the route line at the point the bolt is placed.
A fuller structured visual breakdown is not yet documented for this symbol.