Cylburn Arboretum loop — Baltimore

Centennial Lake Loop Trail — Columbia, Maryland

Morning Choice and Cascade Falls loop — Patapsco Valley State Park

Lake Kittamaqundi loop from Symphony Woods Parking — Columbia, Maryland

Lake Elkhorn loop — Columbia, Maryland

Oregon Ridge Nature Center loop — Shawan

Switchback Trail loop — Patapsco Valley State Park

Cascade Falls Trail loop — Patapsco Valley State Park

Little Gunpowder Trail loop — Gunpowder Falls State Park

Wincopin Trails and cotton mill relics — Columbia, Maryland

Sweathouse Area loop — Gunpowder Falls State Park

Baltimore Waterfront Promenade — Inner Harbor

Thru, Chevrolet & Quarry Trails loop — Patapsco Valley State Park