Changbau Campground in Pohang, South Korea, operates a booking system where slots open at midnight exactly 90 days before the stay. Of the 14 sites, the first 9 (1–9) are considered prime due to direct sea views. Rates: 50,000 KRW on weekdays, 60,000 KRW on weekends (up to 4 people, max 5). Motorhomes, caravans, campervans, trailers, and pets are prohibited. Quiet hours from 10 PM to 8 AM.