Bunker, Tea Fields, and Guanghua: Info drop.

Here is a 13-minute info video of trails galore in northern Taiwan. The specific location is Taoyuan County, Linkou/Gueishan area. Here is the Youtube link if the embedded video will not work for your device.

The video is in webm format and may not play on iOS devices.

As for the exact location here is the Strava link: Try this!