Twin Lakes Campground, California: 94: 93.7%: Source: The Dyrt. To read more detailed information about the top 10 hardest-to-book campgrounds for 2024, click here. Suggest a Correction ...

The campground is the hardest to book in California in 2024, the website says. Kirk Creek Campground near Big Sur is shown in this undated photo provided by The Dyrt.