Fresnel prisms.

The short hike up to the lighthouse provides some beautiful views of Cape Disappointment.

The view of Cape Disappointment lighthouse from the Lewis and Clark Interpretive Center. The Center hosts the giant 1st order Fresnel lens that once shined proudly from both “Cape D” and North Head *

Located at the mouth of the Columbia River, the Lewis and Clark Interpretive Center proudly displays the First Order Fresnel Lens that served tours at both Cape Disappointment and North Head Lighthouse. (16jul05)

Cape Disappointment Lighthouse as seen through the Fresnel lens it once hosted.
(16jul05)

Gazing in wonderment at the Fresnel Lens in the Lewis and Clark Interpretive Center.
(16jul05)