It's a lava cave, so the site itself is underground, but rain-safety and indoor status aren't formally listed in our data.

• Type: lava cave attraction (UNESCO World Natural Heritage)
• Hours: 09:00–18:00, last entry 17:10
• Closed: first Wednesday of every month
• No on-site parking available
• 'Rain-safe' and 'indoor/outdoor' fields are not specified in the source data
• Korean and Japanese language support available

Based on place_type, canonical_name_ko (identifies it as a cave), operating.open_hours_raw, operating.closed_days_raw, and operating.parking_available. experience_attributes.rain_safe and experience_attributes.indoor_outdoor are both null in the source, so the rain-friendliness is inferred only from the cave nature, not from an explicit field.

Yongcheon Cave is a protected UNESCO site with no kid-specific amenities listed, and stroller access is not confirmed.

• Hours: 09:00–18:00 (last entry 17:10)
• Closed: first Wednesday of each month
• Parking: not available on site
• Stroller access: not specified in available data
• Child-friendly level and infant family notes: not provided
• Japanese-language support is available; English support not confirmed

Based on operating.open_hours_raw, operating.closed_days_raw, operating.parking_available, and language_support. experience_attributes.child_friendly_level, accessibility.stroller_access, accessibility.lactation_room, accessibility.highchair_available, and accessibility.infant_family_notes are all null in the source.

Japanese-language support is available, but English and Chinese assistance are not confirmed.

• Korean: supported
• Japanese: supported
• English: not confirmed in the data
• Simplified/Traditional Chinese: not confirmed
• Multilingual signage: no information provided
• Audio/sign-language/large-print guides: not listed

Based on language_support (korean, japanese confirmed; others null) and accessibility fields (audio_guide, sign_language_guide, etc., all null). The site also has a Japanese canonical name (canonical_name_ja), while canonical_name_en and canonical_name_zh_hans are null.