South of Dubuque along the Mississippi River, the Mines Of Spain Recreation Area has 14 miles of trails.
To reach the hiking trailhead from Dubuque, head south on US61. Go approximately 1.7 miles to Stoplight at US-52. Turn left onto US-52. Immediately turn left onto Bellevue Heights. Follow road and EB Lyons parking is on the left.
Overall, Mines Of Spain Recreation Area is the 5th most popular hiking trail of all 9 hikes in Iowa.