The C.A. Thayer is a schooner

Schooner

A schooner is a type of sailing vessel characterized by the use of fore-and-aft sails on two or more masts with the forward mast being no taller than the rear masts....

 built in 1895 near Eureka, California

Eureka, California

Eureka is the principal city and the county seat of Humboldt County, California, United States. Its population was 27,191 at the 2010 census, up from 26,128 at the 2000 census....

. The schooner is now preserved at the San Francisco

San Francisco, California

San Francisco , officially the City and County of San Francisco, is the financial, cultural, and transportation center of the San Francisco Bay Area, a region of 7.15 million people which includes San Jose and Oakland...

 Maritime National Historical Park

San Francisco Maritime National Historical Park

The San Francisco Maritime National Historical Park is located in San Francisco, California, USA. The park includes a fleet of historic vessels, a visitor center, a maritime museum, and a library/research facility...

. She is one of the few survivors of the sailing schooners in the West coast lumber trade

West coast lumber trade

The West Coast lumber trade was a maritime trade route on the West Coast of the United States. It carried lumber from the coasts of Washington, Oregon, and Northern and Central California mainly to the port of San Francisco.-Lumber schooners:...

 to San Francisco from Washington, Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

, and Northern California

Northern California

Northern California is the northern portion of the U.S. state of California. The San Francisco Bay Area , and Sacramento as well as its metropolitan area are the main population centers...

.
This boat is used for many class field trips, splitting students up into different crews such as Bosun, Galley, Rigger, Deckhand, and Boat crew.
The C.A. Thayer was built by Danish-born

Denmark

Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

 Hans Ditlev Bendixsen

Hans Ditlev Bendixsen

Hans Ditlev Bendixsen was an American shipbuilder who was instrumental in the development of the merchant marine industry on the West Coast of the United States. His lumber schooners were built in or near Eureka, California in shipyards on Humboldt Bay for over 30 years...

  in his shipyard, located across the narrows of Humboldt Bay from the city of Eureka in Northern California.