In that year, he climbed across the entire Chingtienkang mountain series, and followed a river all the way up Chutzu Mountain (which is to this day a restricted military area). He completed his explorations of the whole Kuanyin Mountain area in 1989, and spent all of 1990 in the Huangtsui Mountain ecological conservation area.
這年，他走完了擎天崗山系，並溯溪上目前仍然是軍事管制的竹子山列；七十八年完成觀音山區的探索，七十九年則整年在磺嘴山生態保護區的山稜和溪谷間活動。