The Herbert and neighboring Eagle Glaciers advanced and receded synchronously with the much better known Mendenhall. They’ve always been strenuous hikes, but recession off their floodplains up into rugged hills makes them annually more challenging destinations. Fortunately for those of us with ever gimpier knees, you can now ride much of the way to Herbert Glacier on a bicycle. Trail to Herbert Glacier, with dated recessional moraines from the work of Donald Lawrence. Yellow circles show successional stages where we collected fungi in 1984, during a class by Anchorage mycologist Gary Laursen.