{"version":"1.0","type":"card","id":"d742be6f-9bdb-4f2d-a8ed-7a6d4adb8923","url":"https://stacklist.com/card/d742be6f-9bdb-4f2d-a8ed-7a6d4adb8923","title":"Happy Isles | Yosemite Hikes","source_url":"https://www.yosemitehikes.com/yosemite-valley/happy-isles/happy-isles.htm","note":"Happy Isles, a short but bucolic hike along the Merced River near the eastern end of Yosemite Valley. This page provides information about the trail, its features, and tips for hikers visiting this scenic area.","image":{"url":"https://ucarecdn.com/a4302e59-a327-46d7-bd2a-17c921a41d31/-/preview/-/resize/1200x/-/quality/best/-/format/webp/","alt":"Happy Isles | Yosemite Hikes","width":300,"height":450},"stack":{"id":"74248ad6-33da-4f6f-817f-ce64ff282b9d","title":"Yosemite","url":"https://stacklist.com/stack/74248ad6-33da-4f6f-817f-ce64ff282b9d"},"created_at":"2026-06-01T23:38:58.658Z","updated_at":null,"aco":{"summary":"Happy Isles Trail Guide provides information about a short, easy 0.5-mile hike to a pair of islands in the Merced River at the east end of Yosemite Valley. The trail features minimal elevation gain, is wheelchair-friendly in parts, and includes access to the Art & Nature Center and Rockfall Exhibit.","tags":["yosemite-valley","hiking","trail-guide","merced-river","easy-hike","nature"],"key_entities":[{"name":"Happy Isles","type":"location","confidence":0.99},{"name":"Yosemite Valley","type":"location","confidence":0.99},{"name":"Merced River","type":"location","confidence":0.98},{"name":"Mist Trail","type":"location","confidence":0.95},{"name":"Curry Village","type":"location","confidence":0.95},{"name":"Ahwahnee Hotel","type":"location","confidence":0.92},{"name":"El Capitan","type":"location","confidence":0.92},{"name":"Yosemite Conservancy","type":"organization","confidence":0.9},{"name":"Art & Nature Center","type":"concept","confidence":0.88},{"name":"Rockfall in 1996","type":"event","confidence":0.85}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-06-01T23:39:04.572Z"},"token_counts":{"approximate":874,"cl100k":788},"content_hash":"sha256:9d66a86624d7c68af109af79bedb441c598dc0af9db9f7075b5c4038954f5bb9","acp_version":"0.2","body_available":true,"body_tokens":874,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/d742be6f-9bdb-4f2d-a8ed-7a6d4adb8923.json","html":"https://stacklist.com/card/d742be6f-9bdb-4f2d-a8ed-7a6d4adb8923","md":"/api/public/card/d742be6f-9bdb-4f2d-a8ed-7a6d4adb8923.md","stack_json":"/api/public/stack/74248ad6-33da-4f6f-817f-ce64ff282b9d.json"}}