You must visit Changbai Mountain in winter!

Attraction Recommendations
Changbai Mountain Heavenly Lake: In winter, the lake resembles a frozen blue gem surrounded by pristine snow, offering breathtaking purity. Accessible from the North Slope (more attractions), West Slope (better views), and South Slope (ideal for photography).
Changbai Mountain Ski Resorts: Located in the world's "golden latitude for ice and snow," it's one of the top three powder snow bases globally. Options include the Wanda International Resort Ski Resort (diverse slopes, excellent facilities) and Heping Ski Resort (close to the North Slope, offering various slopes and entertainment).
Changbai Mountain Hot Springs: Soak in mineral-rich hot springs while admiring snowy landscapes for a unique "fire and ice" experience. Recommended spots include Halla Mountain Hot Springs Resort and Julong Hot Springs.
Erdao Baihe Town: Known as the "First Town Under Changbai Mountain," it features dreamy snow sculptures at "Cloud Palace," romantic Lovers' Pine Forest, lively Snowflake Ice & Snow Park, and historic Jin Dynasty Old Street.
Changbai Mountain Red Stone Peak: A pristine winter hiking destination with unique underwater geological formations, rocky landscapes, an 8-hectare wild snow forest park, and cross-country ski trails.

Food Recommendations
Iron Pot Stew: A classic Northeast dish—hearty stews with goose, ribs, or fish, paired with cornbread, offering rich, comforting flavors.
Korean Cold Noodles: Chilled noodles in tangy broth with beef, kimchi, and egg—a refreshing winter delicacy.
Ginseng Chicken Soup: A local nourishing specialty with tender chicken, savory broth, and ginseng for warmth and vitality.
Frozen Pears & Persimmons: Northeast snacks—frozen fruits with a sweet, icy crunch, best thawed in cold water before eating.

Accommodation Suggestions
Wanda International Resort Hotels: Like Sheraton and Westin, offering premium stays with ski resort access and full amenities.
North Slope Hotels: E.g., Changbai Mountain Heavenly Lake Hotel, ideal for early park visits and snowy views.
Erdao Baihe Town Hotels: Charming local inns and B&Bs with scenic night views and cultural vibes.

Itinerary Ideas
3-Day Trip
Day 1: Arrive at North Slope hotel > Heping Ski Resort > evening hot springs.
Day 2: Explore North Slope (Heavenly Lake, waterfalls) > afternoon in Erdao Baihe (snow sculptures, pine forest).
Day 3: Red Stone Peak hike or cross-country skiing.

4-Day Trip
Day 1: Check into Wanda Resort > ski or enjoy facilities.
Day 2: Resort activities or snowmobiling/horse-drawn sleds.
Day 3: West Slope visit (Heavenly Lake, primeval forest).
Day 4: Erdao Baihe (historic street, Snowflake Park) > departure.