noun
trailhead; starting point of a mountain climb
Refers to the entrance or starting point of a mountain trail, often with facilities like parking or a map board.
登山口には駐車場とトイレがあります。
There is a parking lot and restrooms at the trailhead.
この登山口から山頂まで約2時間かかります。
It takes about two hours from this trailhead to the summit.