Gorgeous, especially in September! The North Cascades are the most astounding mountains in the Lower 48, and you can get a good look at them here and there along this highway, especially around Diablo Lake and Washington Pass. But the real treats here await just up the trails. This is a hikers and climbers National Park, with few roads. For... more

Colonial Creek Campground is a great place to go camping. We camped right on the lake and were able to fish from our site. Pretty quiet campground, the only noise we heard was from the highway. The campground is clean and has toilets and sinks, and potable water. There is also a boat launch. Trails down to the lake are... more