從舊百吉隧道出發, 步行北橫公路, 沿途造訪慈湖步道、前慈湖、頭寮生態步道、大溪陵寢, 走回頭寮大池附近的竹篙厝。Starting from the Old Baiji Tunnel, walk along the Beiheng Highway, visit the Cihu Trail, Front Cihu...