RF2CTRTB2–Lava fields in Willamette National Forest seen from Dee Wright Observatory near Sisters, Oregon. RFWBA9KN–Dee Wright Observatory at summit of McKenzie Pass overlooking lava fields in Willamette National Forest, Oregon. RFW94PM8–A Tree Still Stands Amidst the Lava RF2E12M9C–Douglas Firs and ferns frame the popular hiking trail around Oregon's Clear Lake in the Willamette National Forest. RF2AC74HE–McKenzie Highway in McKenzie Pass Summit Oregon in summer RF2E12M8J–Vine maples illuminated by sunlight passing through the forest canopy along the trail that surrounds Clear Lake in Oregon's Willamette National Forest RMFB0DW8–Lava fields located of off the McKenzie River Highway in Linn County, Oregon. RFWBA9HW–Dee Wright Observatory at summit of McKenzie Pass overlooking lava fields in Willamette National Forest, Oregon. RF2AC74K5–Highway in McKenzie Pass Summit Oregon from Dee Wright Observatory RF2DYWCPN–Fall colors at Clear Lake in Central Oregon Cascades with the Sisters Mountains in the distant background RMFB0DWC–A semi-truck on the McKenzie River Highway passes lava fields and forest in Linn County, Oregon. RF2E12M77–Bear Grass (Xerophyllum tenax) grows along the Pacific Crest Trail in Oregon's Willamette Nation; Mount Washington in the background.