山やま開びらき

noun

opening of the mountain-climbing season

Refers to the official start of the climbing season for a particular mountain, often marked by a ceremony or festival.

• 富ふ士じ山さんの山やま開びらきは毎まい年とし7月がつ1つい日たちです。

  The opening of Mount Fuji's climbing season is on July 1st every year.

• 山やま開びらきの日ひには多おおくの登と山ざん者しゃが集あつまる。

  Many climbers gather on the day of the mountain opening.