I've scoured the internet, looked a few books, but came up pretty much dry. I was sure there would be marked trails, like ones I've seen in Vermont, but I wasn't able to find anything at all.
I started thinking about this because of relatives in Skowhegan, with the ambitious goal of cycling the 300-odd miles from Boston later this summer. But a recommended route? I was left high and dry.
So I was delighted to come across a spiral bound book "Explore Maine by Bike - 25 Bicycle Tours" at a mediocre bike shop in Kittery. It's a full-color, 8.5 x 11 inch book, including 25 detailed maps and nice detailed fold-outs of the routes. It's publisehd by the Maine Department of Transportation. I was ready to buy it on the spot, but I could find neither a price nor a sales stooge, so it was mine. (I'm reasonably certain that it wasn't meant to be charged for, but it probably cost the state at least $15 to produce.)
The routes are primarily along the coast, with a high concentration in the southern end of the state. Perfect for me!
It didn't make any sense that they would have produced this and kept it a complete secret, so I set about searching the web again, and finally came to Explore Maine - By Bike on the state's official website. It seems to have all the same content in downloadable PDF format, though it's really hard to find and substantially less than straightforward to navigate.
The two tours I have high hopes of completing before the end of the year are both a stone's throw from Skowhegan:
Kennebec River: This hilly and scenic gem winds through the historically important Kennebec River Valley and features a mix of agricultural and rugged mountainous terrain.
Waterville-China Lakes: Challenging hills and excellent views make this tour a 3-season pleaser as it traverses the China Lakes region with its ridge views and charming villages.
How exciting! I just can't believe how poorly Maine has publicized all this!