sorry I missed this post, I know its months old but next time you visit, look up the "grand rounds" the bike trail system links up with the trails that go along Minnehaha, a couple good places you can get to from Minnehaha on the trails are the stone arch bridge/old mill ruins, fort Snelling, if you're up for an all day ride, you can cut over to the Gateway State Trail (the quickest route to it cuts through some sketchy areas though) you can take the Gateway State trail to Stillwater which has some brewerys and nice resteraunts, a really good malt shop, antique shopping and some hotels. Also check out the site "minnesota bike love" for more ideas, it's a forum. I don't exactly jibe with the folks from there but maybe you will. :)