It was named after Christopher Columbus. ---But only tangentially. It was actually named after Captain Robert Gray's ship, the Columbia Redeviva, which sailed up the river's mouth in 1792. The ship was the first to sail around the world.
It is the Fraser River.
The name of the fort near the mouth of the Columbia River is Fort Columbia. It is located in Washington state and was originally built to defend the entrance to the Columbia River from potential threats.
Nichi-wana or The Big River
The Columbia River forms a major part of the border between the states of Oregon and Washington.
That would be the Columbia River.
The Columbia river.
Potomac River
The Columbia River.
christopher Columbus named the river...
Robert Gray discovered and named the Columbia River.
The Columbia River is the major river in Washington.
Yes, the compound noun 'Columbia River' is a proper noun, the name of a specific river.A proper noun is the name or title of a specific person, place or thing. A proper noun is always capitalized.All of the words of a compound proper noun are capitalized.