{"rewrite":{"id":"r_e392b096ec8222c0d033c6e5","clusterId":"c_668589f776c238ef05227868","slug":"oya-quarry-illumination-adds-a-one-night-event-with-four-programs","model":"deepseek-v4-1-flash","headline":"Oya Quarry Illumination Adds A One Night Event With Four Programs","summary":"The Oya stone quarry ruins in Utsunomiya, Tochigi Prefecture, host the AURORA in OYA nighttime illumination, and on September 21, 2026, a one night limited event adds four programs: the Oya Mystery Tour into a normally off limits area, a Lantern Night Walk with about 80 rental lanterns, a circuit style mission game, and a kitchen car and marche. It runs from 5:00 p.m. to 8:00 p.m., with no reservation or money required.","whyItMatters":"The limited event opens a section of the quarry that visitors normally cannot enter, and it runs without reservations or fees, which shifts the illumination from a walk-through light display into a scheduled one-night program with a fixed capacity.","webCardHtml":"\u003cp\u003eThe Oya Mystery Tour is the part that changes the night. A guide leads visitors into a dim area of the rock face that is normally off limits, lit only by lanterns, for 45 minutes. It runs at 18:00, 19:00, and 20:00, and only about the first 15 people per session are guided in.\u003c/p\u003e\u003cp\u003eElsewhere on the grounds, the Lantern Night Walk hands out roughly 80 rental lanterns for a self-paced stroll, and the circuit style mission game sends participants looking for hidden lights after picking up a form at the venue. Kitchen cars and marche vendors stay set up until 8:30 p.m. The wider illumination runs daily from 6:00 p.m. to 9:00 p.m. through March 22, 2027.\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eOya Mystery Tour\u003c/strong\u003e: Exploration of a special route led by a guide, 45 minutes, three sessions\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eLantern Night Walk\u003c/strong\u003e: Free stroll with about 80 rental lanterns\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eCircuit-Style Mission Game\u003c/strong\u003e: A walking game searching for distinctive lights at illuminated spots\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eKitchen Car \u0026amp; Marche Vendors\u003c/strong\u003e: Street food and sweets, running until 8:30 p.m.\u003c/li\u003e\u003c/ul\u003e","blueskyPost":"AURORA in Oya runs four programs for one night, and every one of them is free with no reservation. The barrier to entry is the schedule, not the price.","twitterPost":"AURORA in Oya asks nothing at the gate. The four programs are free and unreserved, so the 5:00 p.m. to 8:00 p.m. window is the only limit.","threadsPost":"AURORA in Oya leaves the off limits quarry area, roughly 80 rental lanterns, the mission game, and the kitchen cars open to anyone who shows up. With no reservation and no money required, the three hour window on September 21 is the only filter on attendance.","newsletterBlurb":"The Oya stone quarry ruins in Utsunomiya run their AURORA in OYA illumination, and on September 21 a one night limited event adds four programs, including a guided tour into an area normally off limits. The Oya Mystery Tour runs three sessions of about 15 people each. Entry is free and needs no reservation.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/436/4436057/?rss\",\"title\":\"【Utsunomiya】Visit a special area usually off-limits. The other face of the stone secret spot, visible for one autumn night only: \\\"AURORA in OYA\\\" limited event held\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4745,"outputTokens":848,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1789711166,"createdAt":"2026-09-18T05:54:24.000Z","publishedAt":"2026-09-18T05:58:22.000Z","updatedAt":"2026-09-18T05:58:22.000Z"},"cluster":{"id":"c_668589f776c238ef05227868","canonicalTitle":"【宇都宮】いつもは見られない特別エリアへ。秋の一夜だけ見られる石の秘境の別の顔「AURORA in OYA」限定イベント開催","representativeArticleId":"a_ce0dae72aeed25bdcb148aa6","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"AURORA in OYA\"],\"studios\":[],\"people\":[],\"type\":\"event\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-09-18T05:00:00.000Z","lastSeenAt":"2026-09-18T05:00:00.000Z","updatedAt":"2026-09-18T05:58:20.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/436/4436057/?rss","title":"【宇都宮】いつもは見られない特別エリアへ。秋の一夜だけ見られる石の秘境の別の顔「AURORA in OYA」限定イベント開催"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["AURORA in OYA"],"studios":[],"people":[],"type":"event","domain":"other","is_roundup":false},"keyFacts":null}