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7 Historic Lighthouses To Visit Along Oregonâs Coast
Feb.6.2021
Sea stacks and jagged reefs, capes protruding into the ocean featuring sandstone cliffs, and shifting sand dunes make the Oregon coast the stunning shoreline we love. However, these same landscape features present threats to ships getting close to the shore. Lighthouses helped their captains navigate these dangers, guiding them to safety.
The earliest lighthouses had one white light warning seafarers that a shore was close. Visible about eight miles at sea, it didnât always allow enough time to bring the ships to safety. Introducing the Fresnel lens in the mid-1800s brought a dramatic improvement. The elaborate system of lenses extended the lightâs visibility to around 20 miles and allowed it to form individual patterns. With this innovation, the lighthouses could each have a signature pattern. Now they acted like navigation systems, signaling ship captains their location on the shore.