The distance from the floor of our Escape 13 to the ground is 14 inches, so we bought a small folding step stool to make exit and entry easier.
Unfortunately, while this stool matched the Ladybug theme, it was not very strong, and collapsed when my wife was leaving the trailer carrying a load.
So we bought this step stool:
More detail here:
And when we were in Chilliwack we had a grab bar installed -- you can see the new look here.
New Step and Grab Bar
This seems to be a good solution.