Did You Know...

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Length Of The Columbia River (7th longest in the US)
Area Drained By The Columbia River
Average Discharge (2nd Largest In The US)
Maximum Recorded Discharge (1894)
Minimum Recorded Discharge (1937)
Average Width Of River
Average Width Of Valley (Rim To Rim)
Length Of Gorge (Troutdale To The Dalles)
Average Height Of Walls (South Side)
Length Of The Snake (The Columbia’s Largest Tributary)
Size Of The Columbia River Gorge National Scenic Area
Length Of The National Scenic Area
Gorge Waterfalls
Wildflowers
Wildflowers Only Found In The Gorge
Endangered Species In The Gorge
Annual Visitors To Multnomah Falls
Number Of Hiking Trails In The National Scenic Area
Number Of State Parks & Recreation Areas
Number Of Urban Areas In The Gorge
Approximate Number Of Residents In The Gorge
Time Period Of The Carving Of The Columbia Gorge
High Water Points Of The Great Floods
Maximum Elevation Of Walls

1243 miles
259,000 square miles
194,600 cubic feet per second
1,240,000 cubic feet per second
37,000 cubic feet per second
1 mile
3 miles
75 miles
1500-3000 feet
Over 1000+ miles long
295,000 acres
85 miles
75
800 species
13
24
4 million
54
21
13
70,000
12,000 years ago
400 feet above Crown Point (Vista House)
4000 feet (Benson Plateau)
4960 feet (Mt. Defiance)
3400 feet (Table Mountain)