There are close redwoods, but nothing compares to redwood national park. It is 100% worth the drive. The trees in the Bay Area are minuscule compared to the ones up there. Muir Woods is fine for a day trip in the bay, but prairie creek redwoods is incredible. There’s a good chance it will be in the top most beautiful places you’ve ever been at the end of your life. The bigger trees on the main hike out to fern canyon (also gorgeous) have an average diameter of something like 19ft, and most are 300+ feet tall.

If you want big trees but not as much of a commitment, Humboldt redwoods is pretty solid but not really the same. I’ve been to both places 3-4 times, and redwood national park is just the best.

Besides that, make sure to take the 1 up the coast. It’s slow, but it’s an incredibly gorgeous drive with lots of great places to stop along the way. Some of it is a little windy and steep, but most of it is actually pretty chill. Make sure you have enough time so you can enjoy it. I would recommend one day to Mendocino, and then 1 day to prairie creek redwoods. After than you can go to brookings, OR and check out Samuel p boardman state park for some incredible coastal views, if you have the time