
A Brief History of River Tracing in Taiwan
River tracing was introduced to Taiwan by Japanese mountaineers who came to Taiwan to explore the island’s alpine creeks in the 1960s. In Japan, the sport is known as sawanobori (沢登り), which translates to “stream climbing”.
To be able to understand the essence of river tracing, we have to first understand the history of sawanobori.

A Comprehensive Guide to Historical Map and Aerial Imagery Tools for Taiwan
The Taiwanese mountaineering community has developed a handful of free tools that are useful when planning a trip through Taiwan's wilderness.
These tools can be used in advance to survey and plan, and some may be used offline while in the mountains to assist in navigation.
They are useful even if you're not fluent in Mandarin as long as you have decent reasoning skills, and they are free-to-use.