Morony Dam | Great Falls

Information

Landmark: Morony Dam
City: Great Falls
Country: USA Montana
Continent: North America

Morony Dam, Great Falls, USA Montana, North America

Morony Dam is a hydroelectric dam located on the Missouri River in Great Falls, Montana. It is part of the Missouri-River-Great Falls Project.

Visual Characteristics

The dam is a concrete gravity structure with a crest length of 1,000 feet (305 meters) and a maximum height of 100 feet (30 meters) above the riverbed. The spillway consists of 12 radial gates. The reservoir behind the dam, known as Morony Reservoir, has a surface area of approximately 1,000 acres.

Location & Access Logistics

Morony Dam is situated approximately 5 miles (8 kilometers) upstream from the city center of Great Falls, Montana. Access is via River Road, which connects to US Highway 87. Parking is available at designated pull-offs along River Road near the dam. Public transport does not directly serve the dam site.

Historical & Ecological Origin

Construction of Morony Dam began in 1939 and was completed in 1942. It was built by the U.S. Army Corps of Engineers as part of a larger flood control and hydroelectric power generation initiative. The dam's purpose is to regulate river flow and produce electricity.

Key Highlights & Activities

Observation of the dam's structure and the Missouri River's flow is possible from designated viewpoints. Fishing is permitted in the Missouri River downstream of the dam, subject to Montana fishing regulations. The reservoir offers opportunities for non-motorized boating and kayaking during warmer months.

Infrastructure & Amenities

Restroom facilities are not available at the immediate dam site. Shade is limited to natural vegetation along the riverbanks. Cell phone signal (4G/5G) is generally available in the vicinity. No food vendors are located at the dam; provisions should be made prior to arrival.

Best Time to Visit

For optimal viewing of the dam's operational capacity, visit during periods of high river flow, typically in late spring and early summer. Mid-morning offers consistent lighting for photography. Winter months can present icy conditions, impacting access.

Facts & Legends

During its construction, Morony Dam was a significant engineering undertaking, employing hundreds of workers during a period of economic hardship. A local anecdote suggests that the dam's construction was so impactful that it altered the migratory patterns of certain fish species, a claim that requires further ecological study.