The Muskingum River Parkway and its 160-year-old navigation system were designated a National Historic Civil Engineering Landmark by the American Society of Civil Engineers in July 2001. Along with such majestic institutions as Hoover Dam, The Empire State Building and the Golden Gate Bridge, the Muskingum River's 10 hand-operated locks are now recognized as one of America's great engineering accomplishments.

In its day, the system of locks and dams that extends 112 miles through southeastern Ohio, helped open the state and the entire Midwest to trade and development. Today, it serves the needs of more than 7,000 recreational boaters each year who come to fish, picnic and play in the scenic Muskingum Valley.

The Muskingum River is formed by the confluence of the Walhonding and Tuscarawas rivers in Coshocton, Ohio. From there, it flows south through Zanesville where it is joined by the Licking River until it eventually drains into the Ohio River at Marietta. This mighty river travels 112 miles in all, traversing the scenic hill country.

The rich floodplains of the Muskingum provide suitable conditions for walnut, elm, cottonwood and sycamore. Dense paw-paw thickets line the banks of the river. A rich diversity of bird life and mammals share the wooded shores. The Muskingum provides a remarkable fishery including catches of huge shovelhead catfish. The mighty Ohio muskellunge was once abundant in the Muskingum and its tributaries, but its population has declined in recent years. A number of rare fish share the waters such as sanddarters, northern madtoms, mooneyes and channel darters. The Muskingum and its tributaries have long supported large and diverse populations of freshwater mussels. Dissolved limestone in the river is used by the mussels in constructing their shells. The Muskingum River system supports the last remaining Ohio populations of mussels such as monkeyface shell, fan shell, Ohio pigtoe and the butterfly shell.

The Muskingum River, because of its size and location, has played an important role in Ohio's history. It is the largest river lying solely within Ohio, draining an area equal to one-fifth of the entire state.

Missionaries settled along the headwaters of this picturesque river in 1761. The first permanent settlement in Ohio was established in 1788 at Marietta. One of the city's founders, General Rufus Putnam, recognized the economic potential of the Muskingum River for transporting raw materials to eastern markets and brought in New England shipbuilders. In 1824, steam-powered paddle wheelers joined the flatboat and keelboat traders, generating public support for river navigation.

West Point graduate Major Samuel Curtis designed a system of 10 dams and 11 locks to connect the Muskingum River to the Ohio and Erie Canal at Dresden. Opened in 1841, the system provided navigable waterways from Marietta to Lake Erie.

1. Starting from I-70, take Exit 142 for OH-93 South toward Adamsville/Zanesville.
2. Merge onto OH-93 South and continue for approximately 6 miles.
3. Take a slight left onto OH-666 South/East Adamsville Road and continue for another 2.5 miles.
4. Turn right onto OH-146 West/Coopermill Road. Follow this road for about 10 miles.
5. You will reach Zanesville and continue onto OH-60 South/Underwood Street.
6. Stay on OH-60 South for approximately 9 miles.
7. Merge onto I-70 East and continue for about 3 miles.
8. Take Exit 156 for OH-83 South toward Frazeysburg.
9. Merge onto OH-83 South and follow it for approximately 5.5 miles.
10. Take a slight right to stay on OH-83 South/Frazeysburg Road.
11. Continue on OH-83 South for about 14 miles until you reach the entrance to the Muskingum River Parkway.