The best time to see swans in Sanmenxia is from the middle of 10 to March of the following year. During this period, more than 654.38+00,000 swans from Mongolia and Siberia will migrate to Sanmenxia and spend the winter in more than 400,000 mu of shoal wetland. Visitors can enjoy the beautiful scenery of wintering swans, especially in Swan Lake National Urban Wetland Park, where there are a large number of swans and frequent activities, which is an excellent place to watch swans.