Another 6 miles south on I-5, through Shasta-Trinity National Forest, stop at Castle Crags State Park to see 6,000-foot-tall granite spires jutting skyward. Park day passes cost $8 per vehicle.

Another 6 miles south on I-5, through Shasta-Trinity National Forest, stop at Castle Crags State Park to see 6,000-foot-tall granite spires jutting skyward. Park day passes cost $8 per vehicle.

Kayak, hike or fish at majestic venues along the 60-mile northern stretch of California’s longest river, the Sacramento. The Cascade Wonderland Scenic Highway /Interstate 5 flanks the river as it ...