Anonymous wrote:I love SF and Yosemite, but it would be more an adult focused trip with kids along for the ride. Maybe San Diego for that age (I haven't been to Legoland beford).
We did this exact trip with our kids last year (7 and 9) and they said it was the best trip of their lives (we travel a lot, have been to Europe, Disney and lots of places in the US). Tons of kid friendly stuff in SF. We did the Exploratorium, the Montrrey Aquarium (admittedly a hike), Muir Woods, CA Academy of Sciences. Spent 4 days in Yosemite exploring as much of the park as we could. Rafting down the Merced was probably my favorite park activity, but we also had a few other spectacular hikes. Kids hiked 6-7 miles minimum each day, no problems! We are doing Yellowstone and Grand Tetons next summer. Can't wait!