Biyangbong is a small volcanic peak on Biyangdo Island; it's open all year, but child-specific amenities aren't documented.

• Type: natural attraction (parasitic volcanic cone) on Biyangdo Island, Jeju
• Open hours: always open, no regular closing days
• Parking: available
• Stroller access: not documented in official data
• Child-friendliness level: not specified
• Lactation room and highchair availability: not listed

Based on operating.open_hours_raw, operating.closed_days_raw, operating.parking_available, place_type, and short_summary_ko. Fields experience_attributes.child_friendly_level, accessibility.stroller_access, accessibility.lactation_room, and accessibility.highchair_available are all null, so family amenities cannot be confirmed.

No foreign-language support is documented for 비양봉; only Korean is confirmed.

• Korean language support: confirmed
• English, Japanese, and Chinese support: not documented
• Multilingual signage: not documented
• Translated menu/materials: not applicable / not documented
• Audio guide, sign-language guide, large-print guide: not documented
• Outdoor natural attraction; plan to self-navigate

Based on language_support.korean (true) with all other language_support fields null, and accessibility.audio_guide / sign_language_guide / braille_guide null. canonical_name_en/ja/zh_hans and address_en are also null, indicating no localized naming.