YSK that your dogs should never be taken off the leash when camping or hiking unless they are under the strictest of voice control and you should always pick up their waste.
from /r/YouShouldKnow
在露營或徒步旅行時，除非是在最嚴格的聲音控制下，否則絕不應將您的狗從繩索上取下，而且您應始終撿起它們的糞便。