My father and I are taking a week-long trip to Scotland this May. We're staying in Glasgow for the first night we're there. The next 2-3 nights we'd like to do some camping and hiking in the highlands and ending in Glasgow again. We're both pretty experienced outdoors people but want to take it easy this trip, so nothing too strenuous. I was wondering if anyone had any suggestions for some great hiking/camping scenery around Glasgow. We're definitely willing to bus an hour or two outside the city. Thanks!