I am vacationing with friends from the midwest who have never been to the cascade range. The wife is a geologist, and I was wondering if anyone can send me some great locations for looking out over the three sisters, or any other, "The mountains are awesome," spots that are off the beaten path for us to enjoy. They have young children so if it's isolated the kids can run around for a picnic without bothering anyone or being bothered by (a lot of) cars.