1. You can take 1 bus from Zhangdian Railway Station to Boshan, then take 13 bus at Boshan Railway Station to Yolanda, and get off at Yolanda to reach Kaiyuan Cave.
2. Go directly to Zhangdian Bus Terminal, take bus K5 1 and go directly to Kaiyuan Cave. Depart at 7 o'clock at the earliest, and the price is around 8 yuan.
3. Take the through train to Boshan, then get off at Boshan Yolanda Road 13 and get off at Kaiyuan Cave.
I come from Boshan, where the scenery is good. I hope you have a good time in Boshan. Hope to adopt!