Lava Cast Forest

Here some 6,000 years ago lava poured in a forest and as the molten stone surrounded the trunks of trees, it preserved the molds of these trees. Sometimes these holes contain even imprints of the tree bark, some charcoals.

Oneonta Gorge

Oneonta Gorge

Impressive gorge in basalt rocks, more than 30 m deep and some 470 m long. At the far end is the 30 m tall Oneonta Falls. Above the gorge on the Oneonta stream are three more waterfalls.

Columbia River Gorge

Columbia River Gorge

Gorgeous canyon of Columbia River, up to 1,200 m deep. The canyon is some 130 km long and has numerous very impressive waterfalls. Microhabitats along the canyon contain unique, endemic species of plants.

Smith Rock

Landscape from Smith Rock

Spectacular, vertical cliffs at Crooked River. A popular site for climbing, the cliffs are up to 180 m high.

Painted Hills

Painted Hills, Oregon

Spectacular outcroppings of colored rocks over a larger area. There are red-colored laterite outcroppings, dark-colored layers of lignite, and grey-colored mudstone, siltstone, and shale layers. Rocks contain many fossils of early horses, camels, and other animals.

Hells Canyon

Hells Canyon in Oregon

Giant canyon of Snake River, the deepest one in the United States. The canyon is up to 2,436 m deep and up to 16 km wide. Snake River here has many spectacular rapids.

Crack in the Ground

Crack in the Ground, Oregon

Unusual volcanic formation – some 3.2 km long and up to 9 m deep crack. It formed by the sinking of an enormous block of the ground after a volcanic eruption. It is possible to walk on the base of this crack.

Haystack Rock

Haystack Rock

72 m tall basaltic rock stack in the sea, near the beach. At low tide, it can be reached by foot.

Fort Rock

Fort Rock

Unusual landmark – tufa ring that rises 105 m above the surrounding plain. The diameter of this formation is around 1,360 m.

Pomona Natural Bridge

Pomona Natural Bridge

Beautiful, impressive natural bridge that has formed in sandstone rock. It is 27.4 m wide and only 2.4 m wide.