In Weaverville, SR 299 runs concurrently with SR 3 southbound to Douglas City, where there is a rest area. SR 299 continues east away from the Trinity River into Shasta County, passing by the Whiskeytown-Shasta-Trinity National Recreation Area and through the towns of Tower House and Whiskeytown as well as Whiskeytown Lake. SR 299 continues along Eureka Way through the town of Shasta into the city of Redding. SR 299 then runs concurrently along SR 273 north and Market Street across the Sacramento River before turning east onto its own freeway and intersecting I-5. SR 299 remains a freeway for a few miles before leaving the Redding city limits and passing through the town of Bella Vista and into the foothills of the southern Cascade Range.
