Originally Posted by Eyes Shut
When in May are you planning to do this trip? Some mountain passes and areas may not be open in early May, but will be open later. For example, Grand Canyon North Rim is generally open starting in mid-May.
I'm leaving Mountain Home on 17 May, which means I'll be hitting 550 a couple days later, and the Grand Canyon sometime mid-week. So, maybe the 23rd for the Grand Canyon north rim.
Cold temps I can handle. Snow and ice... not so much.