Join us on this 6 mile Patapsco Valley State Park hike in Baltimore County. The hike is less demanding than the typical weekend hike and is intended to appeal to a wide swath of hikers, from neophytes who are developing their strength and stamina to more experienced hikers seeking a relaxing afternoon hike -- or to anyone in between. The hike uses a combination of marked and unmarked trails, has only one stream crossing to speak of, and has about…