The valley is sealed off through the Cascade Range to the northeast and by the Klamath Mountains to your northwest. During the far north the terrain is rugged and heavily forested, getting to be wetter about the coastal side and drier and barren in the higher northeast. Within the south the Central Valley is shut off via the transverse ranges, most

The valley is sealed off with the Cascade Variety into the northeast and through the Klamath Mountains to the northwest. While in the far north the terrain is rugged and closely forested, turning out to be wetter on the coastal side and drier and barren in the higher northeast. During the south the Central Valley is closed off through the transvers