Other forms: trailheads
A trailhead is the place where a walking route begins. Park at the trailhead.
It is where the car park, the sign and the last lavatory are, in that order of importance. A trailhead in America is a marked facility where a British path simply starts at a gate.
1nountrailheadThe place where a walking route begins.
“The trailhead was full by seven on any fine Saturday.”
trailhead is a place.
Trail plus head; the word is American and reflects a system where routes are formally named and signed from a starting point.
From trail + head.
Etymology from Wiktionary, CC BY-SA