There's no confirmed rain-safe info for 행복&피크닉, and as a water-play and picnic site it's likely best on dry days.

• Place type: attraction (water-play and picnic site).
• Operates 11:00–19:00, open year-round.
• Tents on site provide cooking space, outlets, and a rest area.
• Heated pool is available according to the Korean summary.
• Indoor/outdoor classification and rain-safe status are not recorded.
• Parking is available on site.

Based on place_type, short_summary_ko, operating.open_hours_raw, operating.closed_days_raw, and operating.parking_available. experience_attributes.indoor_outdoor and experience_attributes.rain_safe are both null, so rain suitability cannot be confirmed.

Yes — 행복&피크닉 is a reservation-only water-play spot designed for families with children.

• Positioned as a water-play spot good for visiting with children
• Operates on a 100% reservation/limited-capacity basis to avoid crowding
• Family seating and party rooms available separately
• Pre-set tents with power outlets for resting, charging, and BBQ
• Heated pool and various play options on site
• Parking available; open 11:00–19:00, no regular closing days

Based on short_summary_ko (kid-friendly water play, tents, heated pool, reservation-only), operating.open_hours_raw, operating.closed_days_raw, and operating.parking_available. Specific fields like accessibility.stroller_access, lactation_room, highchair_available, and experience_attributes.child_friendly_level are null, so concrete child-amenity details cannot be confirmed.

Only Korean-language service is confirmed; no English, Japanese, or Chinese support is listed.

• Korean-language service: confirmed
• English support: not listed
• Japanese support: not listed
• Chinese (Simplified) support: not listed
• Multilingual signage: not listed
• Audio / sign-language / large-print guides: not listed

Based on language_support.korean (true) with all other language_support fields null, and all accessibility guide fields (audio_guide, sign_language_guide, large_print_guide, etc.) null. canonical_name_en/ja/zh_hans and address_en are also null, so no localized naming is provided.