Guanyin Signal Station used to be a railway signal station of Taiwan Railway Administration North-Link Line located in Nan'ao Township, Yilan County, Taiwan.
Because of the Suhua Highway Improvement Project, Guanyin tunnel become part of dedicated connective road.
I put the cache very closed Guanyin tunnel. The container is a small round canister. Only a log-paper in it. Please bring a pen for this cache.