Last year I did a backcountry ski trip with the help of fresh adventures (https://www.freshadventures.com/winter-tours/backcountry-ski-snowboard-trips-courses-packages ) on vintage skis. My skis were from the seventies. They were the best choice for me. My skis were Fischer Europa 99. They were as l...

The first step is to make sure it is not a mine shaft. If you have the time and can't find any information about it on the internet, take a hike around it and see if you can find any tunnels or holes leading out of it. It might be a cave. Report it to the proper authorities. Never go into a cave unl...