Be sure and go to both Ranger programs at Phantom Ranch.

Treking poles are a good idea.

Make sure the water is on, but you should have water at the 1.5 mile and 3 mile rest houses, Indian Garden, the River House and where the trail from the black bridge and silver bridge meet. I feel comfortable hiking the BA with only a quart of water.

Did I mention treking poles?

Cotton kills on Rainier, but not the Grand Canyon. Soak your clothes at every opportunity. Long sleeve shirts and wide brimmed hats are best. I don't have a clue how you can convince your kids.

Did I mention treking poles?

It is possible to keep your pack weights below 25 pounds the entire trip. You may have to go through the kids packs to eliminate stuff.

How are you shuttling?