Phillipsville
So here we are at the end of the Avenue. We've saved the best for last. Phillipsville, with it's population around 100, is famous for old growth redwoods and California's largest and oldest standing redwood trees. Having said that, there are debates in the region regarding the oldest and tallest trees -- just know that the trees here are huge and note-worthy.
There are several places to stay if you'd like to spend the night around Phillipsville. In addition to finding groceries, gas, and other points of interest there are several river access points.
You should turn your car around at this point and start over! If that isn't possible due to time constraints, just take an extra moment in Phillipsville. Have a little zen moment to fit in your pocket before you get back on Hwy 101. Here's what you do: take one last look up at these majestic redwoods, inhale deeply, and let your cares slip away. Aren't you glad Phillipsville was hear so you could have closure on your adventure?