According to the Korean Friendship Association, the Ullim Falls were developed by Kim Jong-il in 1999, with a resort completed in 2001. It has been marked by the North Korean government as a tourist destination.
- Alternatively transliterated as Ulim Waterfall
- Robert Willoughby (22 July 2014). North Korea. Bradt Travel Guides. p. 197. ISBN 978-1-84162-476-1.
About 35km east of Wonsan (as the road goes) is a turning to Ullim Falls, located some 8km north of the highway down a very steep and twisted road hewn off the hillside.
- "Echo of the Ullim Falls". Korean Friendship Association. July 14, 2014. Archived from the original on March 13, 2018.
- Smith, Amelia (October 31, 2014). "North Korea Sets Out Stall To Become the Next Holiday Destination. Just Don't Question the Rules..." Newsweek.
Here you will experience the charm of the country’s scenic beauty, including the Ullim Waterfall, Coastal Park, Mount Kumgang and Lagoon Sijung.
- York, Bob (January 3, 2012). "New Zealander climbs every mountain to chart Baekdu-Daegan range in N.K." Korea Herald.
“Outside of the more tourist inclined areas of (Mount Geumgang) and Ullim waterfalls [...]
- "Ullim Falls". mountainstamps. Retrieved March 13, 2018.