I think it depends on what you mean by empty. I was about 25 miles in last month (backpacking; Hoover Wilderness/Yosemite), and we all remarked at how surprised

I think it depends on what you mean by empty. I was about 25 miles in last month (backpacking; Hoover Wilderness/Yosemite), and we all remarked at how surprised we were by the number of people we saw every day. It felt pretty crowded.