Beyond Japan & China, South Korea is the answer

Seoul + Gangwon ski resorts (South Korea)

The best China-equivalent you have. Seoul is one of Asia's best food-and-culture cities, and within 1.5–2.5 hours you reach world-class resorts in Gangwon Province, host of the 2018 Pyeongchang Winter Olympics. Machine-made snow means slopes are reliable from late November source.

Resorts (all family-friendly, beginner lessons in English at most)

• Vivaldi Park (Hongcheon, ~1.5h) — 12 slopes, very family/beginner friendly; opened 4 Dec last season. Ocean World water park + ski combo source.
• Yongpyong (Pyeongchang, ~2–2.5h) — the 2018 Olympic downhill venue, 28 trails, natural + artificial, good for all levels; opened 21 Nov last season source.
• Elysian Gangchon (~1–1.5h, near Gapyeong) — closest and easiest, family-friendly, with a Snow Hill and Fun Park for non-skiers source.
• Alpensia (Pyeongchang, Olympic village) — quieter and family-oriented; opened 22 Nov last season source.

Kids (9 & 13)

Beginner lessons, snow-play parks, tubing, and ski schools with kids' programs. Add Nami Island (frozen tree-lined island, very photogenic) and the Garden of Morning Calm winter light festival near Gapyeong source.

Other things to do in Seoul

Gyeongbokgung Palace in winter, Bukchon Hanok Village, N Seoul Tower, Myeongdong street food, Gwangjang Market, Lotte World (indoor + outdoor), COEX Aquarium, and winter ice skating at Seoul Plaza source.

Food

Korean BBQ (galbi, samgyeopsal), street food (tteokbokki, hotteok, eomuk), Korean fried chicken, bibimbap, naengmyeon. Seoul is a food capital.

Access & risk

Fly SIN→Seoul Incheon (~6.5h, frequent and cheap) — the fastest, easiest non-China option. Seismic risk is low; the Korean Peninsula is one of the quieter zones in Asia source. For guaranteed full slopes, aim for the second week of December — snow base builds through the month; even in late November you get snow-play and a couple of open beginner runs.

Seoul + Pyeongchang Olympic cluster (South Korea)

If the kids want the "Olympic" angle the way Chongli delivered it in China, base yourself in Pyeongchang/Alpensia, where the 2018 Winter Games were held. Quieter, purpose-built Olympic villages, ski-in-ski-out hotels, and a stay-at-the-resort feel source.

• Snow: Yongpyong (Olympic downhill), Alpensia (biathlon/cross-country), Phoenix Park (terrain park). Reliable artificial snow.
• Kids: Olympic-venue bragging rights, ski school, and the Gangchon rail bike (pedal rail along a frozen river).
• Food: Local Gangwon cuisine (corn, potatoes, mountain vegetables) plus an easy Seoul day.
• Access: ~2–2.5h from Seoul Incheon via KTX/train or car. Risk: low.

Gulmarg, Kashmir (India)

A stunning, high-altitude Himalayan ski area (gondola to 3,980m), often called India's best. Real powder, dramatic mountains, and a completely different cultural experience: Srinagar houseboats on Dal Lake, Kahwa tea, wool shopping source.

• Snow: Gondola plus beginner-to-advanced slopes. Natural powder, with heavy snowfall December–March — not artificial source.
• Kids: Snow-play, sledding, beginner lessons, gondola ride, meadow fun.
• Food: Kashmiri cuisine — Rogan josh, Kashmiri pulao, kahwa (saffron tea), freshly caught trout. Spicier and richer than the kids may be used to, though mild options exist source.
• Access: Fly to Srinagar (via Delhi, ~8–10h total), then ~1.5h road to Gulmarg. More complex logistics — internal India flights plus a car. Kashmir has had security advisories historically; travellers should check current India travel advisories.
• Quake risk: Moderate — the Himalayan foothills are seismically active, and the region sits in a quake zone.
• Best December–February; early-December snow is good at altitude but this reads as an expedition more than a cushy resort. Pack for cold and remote.

Hehuanshan, Taiwan

Taiwan is easy from Singapore (~4.5h) and Taipei is a fantastic food city — night markets, beef noodle soup, and hot-spring towns like Beitou and Wulai. But Hehuanshan's snow is natural, high-altitude (2,000–3,000m+), weather-dependent, and there is no proper ski resort. It is a mountain-viewing and hiking snow experience, often requiring a weather gamble and sometimes road closures source.

• Snow: Occasional snowfall December–February above 2,000m, seen from the road or ropeway. Not a reliable few days at a resort — a day-trip gamble source.
• Kids: Taipei Zoo, night markets (Shilin, Raohe), Maokong gondola, hot springs, Beitou. Great non-snow activities, but snow is not guaranteed.
• Food: Street-food heaven — beef noodle, xiao long bao, stinky tofu, bubble tea.
• Access: Easy direct SIN→Taipei (~4.5h). Risk: low, but Taiwan sits on the Pacific Ring of Fire, so quakes are possible — unlike Korea.
• Verdict: go to Taiwan for the food and weather, but do not bank on snow. Treat it as a bonus.

The skip list + indoor domes

Vietnam, Philippines, Bali, Malaysia, Thailand — no viable ski-snow destinations. Either no snow at all or only inaccessible peaks. Plainly: skip them for a snow trip.

Indoor snow domes are a cheap Singapore-side alternative. Snow City Singapore in Jurong is small but real snow-play without leaving the island source. The big indoor parks in Guangzhou and Beijing are already covered in your China report. If you just want a quick snow-play fix without a flight, Snow City is the option. Low priority.