NCWriter wrote:
You may already be doing this, but it's helpful to look at the web page maps and have some site numbers in mind ahead of time and then book when the window opens. For example, in Zion NP Watchman campground, which has electricity, there are some sites along the river that are a short walk to the visitor center and free trams & ranger tram tours. The river sites go fairly fast. On the other hand, in the large Bryce campground with no hookups, it's easier to book.
Can you reserve specific sites at Watchman? Don't ever recall being able to do that at any other NP, although I wish I could...