Crater Lake can be accessed by car from the south (all year) and the north (summer only).
The North Entrance is reached via OR-138. From I-5 (west of the park), take Exit 124 at Roseburg to OR-138 E. From Bend, OR take US-97 S about 75 miles to OR-138. After 15 miles turn left at Crater Lake North Hwy.
The South Entrance is reached via OR-62, which travels north from Medford and Klamath Falls, OR on opposite sides of the park.