Centennial Traill State Park in Spokane County, Washington

Spokane County, Washington

Spokane County is a county located in the U.S. state of Washington, named after the Spokane tribe. As of the 2010 census the population was 471,221, making it the fourth most populous county in Washington state. The largest city and county seat is Spokane, the second largest city in the state,...

 is one of the Washington State Parks

Washington State Park System

The Washington State Park System is a set of state parks owned by the state government of Washington, USA. They are managed by the Washington State Parks and Recreation Commission. As of 2011, the parks are primarily funded through the state's general fund, augmented by usage fees...

. It is managed by Riverside State Park

Riverside State Park

Riverside State Park is a park northwest of Spokane in Nine Mile Falls, Washington. At over , it is the second-largest state park in Washington. The park includes two campgrounds; one at the Bowl & Pitcher and the other at the Nine Mile Recreation area...

 and consists of the 37 miles (59.5 km) Spokane River Centennial Trail

Spokane River Centennial Trail

The Spokane River Centennial Trail is a paved trail in Washington for alternate transportation and recreational use. It extends from Sontag Park in Nine Mile Falls, Washington to the Washington/Idaho border. It passes through the cities of Spokane, Washington, Spokane Valley, Washington, Liberty...

 following the meandering course of the Spokane River

Spokane River

The Spokane River is a tributary of the Columbia River, approximately long, in northern Idaho and eastern Washington in the United States. It drains a low mountainous area east of the Columbia, passing through the city of Spokane, Washington.-Description:...

 from Nine Mile Falls

Nine Mile Falls, Washington

Nine Mile Falls is an unincorporated community in Spokane County, Washington, United States. It is located 9 mi from downtown Spokane, at the location of the former falls on the Spokane River. The Nine Mile Falls Dam was built by Spokane & Inland Empire Railroad on the site of the falls in...

 to the Idaho

Idaho

Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state....

 border. The listed coordinates correspond to the location of Nine Mile Falls. Available activities include hiking

Hiking

Hiking is an outdoor activity which consists of walking in natural environments, often in mountainous or other scenic terrain. People often hike on hiking trails. It is such a popular activity that there are numerous hiking organizations worldwide. The health benefits of different types of hiking...

, biking

Cycling

Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, or for sport. Persons engaged in cycling are cyclists or bicyclists...

, swimming, fishing

Recreational fishing

Recreational fishing, also called sport fishing, is fishing for pleasure or competition. It can be contrasted with commercial fishing, which is fishing for profit, or subsistence fishing, which is fishing for survival....

, birdwatching

Birdwatching

Birdwatching or birding is the observation of birds as a recreational activity. It can be done with the naked eye, through a visual enhancement device like binoculars and telescopes, or by listening for bird sounds. Birding often involves a significant auditory component, as many bird species are...

, mountain biking

Mountain biking

Mountain biking is a sport which consists of riding bicycles off-road, often over rough terrain, using specially adapted mountain bikes. Mountain bikes share similarities with other bikes, but incorporate features designed to enhance durability and performance in rough terrain.Mountain biking can...

, interpretive activities, and wildlife viewing.