Hiked the entire thing... there are some really great spots along the way, but the trail also passes through some rough neighborhoods, and I didn't always feel safe walking alone. At one point, I passed by an apartment complex that overlooked the trail, and some teen was throwing random crap off the balcony at bikers.
Joan S. on Cities Greenway Trail
Utterly wonderful bike trail, walkers and skaters also may join but a bit flat for hiking. Wide, well-maintained blacktop trail. Crosses from just west of the Mississippi in Minneapolis and heads out past Lakes of the Isles, Calhoun and on. We often hook up with the Cedar Lake trail and head back to St. Paul through downtown Minneapolis, but one can continue through Hopkins and out to Lake Minnetonka. Connects with the Grand Rounds trails, so there are many options to extend your ride.
Twin Cities hikers and bicyclists, please post more reviews of good trails