| Kalama River | |
| Map Size: | 300 |
| Pushpin Map: | Washington#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of the mouth of Kalama River in Washington |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Washington |
| Subdivision Type4: | County |
| Subdivision Name4: | Cowlitz |
| Length: | 45miles[1] |
| Discharge1 Avg: | 1219cuft/s |
| Source1: | Kalama Spring |
| Source1 Location: | Mount St. Helens National Volcanic Monument |
| Source1 Coordinates: | 46.1456°N -122.2514°W[2] |
| Source1 Elevation: | 2890feet[3] |
| Mouth: | Columbia River |
| Mouth Location: | near Kalama |
| Mouth Coordinates: | 46.0336°N -122.8703°W |
| Mouth Elevation: | 10feet |
| Basin Size: | 205sqmi[4] |
The Kalama River is a 45miles tributary of the Columbia River, in the U.S. state of Washington.[1] It flows entirely within Cowlitz County, Washington.[1] Calama River is an old variant name.[2]
Gabriel Franchere in 1811 wrote of the Indian village at the mouth of the Kalama River, adding that it was called Thlakalamah.[5]
The Kalama River originates in the Cascade Range just south of Mount St. Helens. It flows generally west, joining the Columbia River near Kalama, 73miles upstream of the larger river's mouth on the Pacific Ocean.[1]