Reply To: .gbd files – Still Valuable? Home › Forums › GPS Discussion › .gbd files – Still Valuable? › Reply To: .gbd files – Still Valuable? December 4, 2020 at 9:58 am #20317 Larry Benitz Found out the .gbd files are still valid Garmin/Basecamp files. I will leave them on the site. It’s fund to look at old routes, possibly download and ride them.