Cross-country flight from the Tumen River to Baekdu Mountain's Cheonji and Yalu River with an F-3...
(Flight Course A) Take off from Gangneung Airport, then fly via Wonsan Kalma Airport to the mouth of the Tumen River.
(Flight Course B) Follow the Tumen River to Baekdu Mountain's Cheonji Pond, then back to Baekdu Mountain and the mouth of the Yalu River (Sinuiju).
This route offers a panoramic view of the terrain along the northern border of the Korean Peninsula.