That looks like a nice hike.
Two questions
1: What is the feature that looks like a cirque to the right of your trail in the picture?
It looks like it is about 4 or 5 miles to the (what I am assuming is) east of where you hiked.

2: Are there any Red Alders in the area? The bark in the photo looks a little bit like Alder bark. When you expose the sap layer to the air it usually turns quite a strong red