I would expect the south rim of the Grand Canyon to be open in April, but the North Rim usually doesn't open until mid-May. The North Rim is higher elevation and the gets more snow.
Just a few miles from Bryce Canyon is Kodachrome State Park. A day trip in the TV over route 12 as far as Boulder would be worthwhile as well.
From Bryce, 89 north to I70 is an easy drive and we also used route 28 to join I15 near Nephi. We enjoy route 89 between Brigham City and Jackson WY. There is a 1-2 mile downgrade at about 7% just before Bear Lake.
The
Yellowstone Park roads info indicates that roads will be partially open in the third week of April, but the south entrance from Grand Teton not until at least may 9th. The only campground inside Yellowstone open all year is at Mammoth Hot Springs. Opening dates for the other campgrounds are
here.If you do take route 89 to Grand Teton and the south entrance to Yellowstone is still closed, do not take route 22 west out of Jackson (10% grades + switchbacks). Go south out of Jackson to Alpine Junction then west on route 26 to Idaho Falls then north on route 20 to West Yellowstone.
We drove route 89 from Yellowstone to Great Falls at the end of May 2010 on our way to Glacier. I recall that there was one pass in the Little Belt mountains to go over, but don't recall any issues. At Great Falls we visited the
Lewis & Clark Interpretive Center and
Giant Springs State Park. We also drove around to the base of the
Ryan Dam, which was overflowing due to the Spring snow melt at the time.
2003 Winnebago Minnie 24F - Ford E-450๐