Join us on this 12 mile Patapsco Valley State Park hike in Howard County. This modified out-and-back hike has about 2,000 feet of climbing, includes some very rocky sections of trail, has a number of minor stream crossings, offers many nice river and tributary views, and provides dramatic views of the route 40 and I-70 bridges, both as we approach them and pass under them. Our pace while hiking will average 2.5 - 3 mph. There will be a 20…