Crater Lake Rim Drive

Rim Village to Rim Village

Southern Oregon · Oregon · United States

Key measurements

Distance

31.8 miles

Elevation gain

3,780 ft

Elevation loss

3,788 ft

High point

7,700 ft

Low point

6,384 ft

Net change

-3 ft (7,109 ft to 7,106 ft)

Surface

Paved

Route type

loop

Route Overview

Crater Lake Rim Drive forms a 31.8-mile loop around the high volcanic caldera of Crater Lake National Park, tracing the rim of Mount Mazama’s collapsed summit. Operating between roughly 6,384 and 7,700 feet above sea level, the road follows the rim edge through dense mountain hemlock and Shasta red fir, across barren pumice slopes, and along sheer precipices overlooking the cobalt-blue caldera floor. While modest in overall mileage, the loop packs nearly 3,800 feet of total elevation gain into a continuous series of climbing sweeps, tight shelf-road curves, and exposed ridges.

Key Segments & Geographic Transitions

Southern Rim Ascent — Miles 0.0–2.8

The loop opens on the southern rim, ascending through mixed subalpine evergreen forest from the southern park approach toward the rim crest. The road climbs steadily on well-engineered asphalt, transitioning from sheltered forest corridors to increasingly open views of the southern caldera walls.

East Rim & Pumice Ridges — Miles 2.8–14.8

Crossing Kerr Notch—the lowest point on the loop at 6,383.7 feet (mile 3.2)—the route hugs the jagged eastern flank of the caldera. The road climbs relentlessly along narrow shelf sections cut into volcanic rock, passing beneath towering ridges before cresting near the Mount Scott shoulder to reach the route’s high point of 7,699.9 feet at mile 14.8. Panoramic views open wide over the vast Klamath Basin to the east and the deep caldera basin to the west.

Northern Arc & Pumice Sweeps — Miles 14.8–25.9

Descending from the eastern heights, the northern segment sweeps across open pumice fields and volcanic debris slopes along the caldera’s northern arc. The road flows through long, sweeping curves carved into bleak, high-altitude volcanic terrain, offering clear, elevated perspectives across the water toward Wizard Island and the western rim.

West Rim & Watchman Crest — Miles 25.9–31.8

The final segment clings tightly to the western rim, skirting the dramatic rock face of The Watchman and Discovery Point. The road threads directly along high cliff edges with steep drop-offs into the caldera before curving southward through subalpine forest to complete the loop.

Seasonal & Environmental Context

Due to intense Cascadian snowpack, Rim Drive experiences a very short full-operating window, typically opening late June or early July and closing with the first heavy autumn snows in October or November. East Rim Drive routinely remains snowbound longer than West Rim Drive. Even during peak midsummer, rapid mountain weather changes are common; high-altitude winds, sudden drops in ambient temperature, afternoon thunderstorms, and thick cloud banks can roll over the rim with minimal warning. High UV exposure and thin air at 7,000+ feet are constant factors.

Logistics & Services

Crater Lake is a restricted National Park environment requiring standard entry park fees or passes. Fuel availability inside park boundaries is extremely limited, with seasonal pumps located away from the rim at Mazama Village; riders should top off before ascending to the rim circuit. Cell phone reception is highly spotty and frequently vanishes along the eastern and northern stretches.

Important Considerations

Heavy tourist traffic—including slow-moving recreational vehicles, tour buses, bicyclists, and pedestrians near pullouts—is present throughout the summer season. Debris, including loose pumice sand and rockfall washed onto the asphalt from cut banks, can accumulate in blind corners along the cliffside segments.