- Who
- Geological Society of Thailand
- What
- 69.70 meters metre(s)
- Where
- Thailand (Tak)
- When
The Longest tree trunk fossil-silicified is 69.7 m (228 ft 6 in) achieved by Geological Society of Thailand (Thailand) in Tak province, Thailand, verified on 11 May 2022
The tree is located in Mai Klay Pen Hin National Park.
