We've been to Alaska three times and prefer traveling late in the season.Two of our trips have been in August and September. On those trips snow hadn't made it to the lower elevations and the fall leaves were beautiful but by the beginning of October it was becoming hard to find places that were still opened. There's more information on my blog -
http://rollinginarv-wheelchairtraveling.blogspot.com/search/label/ALASKA Click on "older posts" at the bottom of the page for more Alaska posts.
You really won't need your dingy unless you're planning on doing a lot of side trips. The main Alaska trip is a big loop with most attractions right along the road.
