Five years ago we had a partial day to do as much of Sequoia and Kings Canyon as we could.
This is now 5 years later and we have a little bit more time but not a whole lot more.
Also this time we have young kids that enjoy nature, wildlife, big rocks, waterfalls, but absolutely hate hiking.
The plan this year (1st week June) is to arrive from the Three Rivers side in late afternoon, drive up to as far as the Hospital Rock area and explore as much as we can for the next few hours, then back down to stay in Three Rivers.
The following morning it's up early and we plan to drive to the top to do the General Sherman and Crescent Meadow...are there any other easy relatively flat trails right around there? We don't plan to do Moro Rock this time.
Then around lunchtime we plan to head over to Kings Canyon to spend the rest of the day. The only constraint being that I'd prefer to be out of the park by dark or at least I'd prefer not to be up on the side of a mountain driving a bunch of unfamiliar switchbacks. Then we'll drive to our hotel in Oakhurst, and just get there when we get there.
So for Kings Canyon from noon to around 8ish (sunset) I am looking for must see stuff and any relatively easy trails that the kids might not complain too much about. (And they don't necessarily have to be hikes or designated mapped trails. While visiting Aspen last summer we found plenty of pull outs on the side of the road near the river where the kids could kick off their shoes and get their feet wet.)