A $13 million urban trail system with MTB as its focal point has just opened in Iowa Publications Trail Construction Mason City is a small Iowa community of 27,000 surrounded by cornfields and bisected by rivers, which lend some modest topography to the landscape. Located just off I-35 and almost equidistant from Iowa City and Minneapolis, there is little else around — so Mason City has taken it upon itself to invest in its local biking and recreation infrastructure to the tune of $13 million.
