Northern Tier 2010

July 9, 2010

Buuuuzzzzz! (Entering North Cascades NP)

Filed under: Geology, Section 01, Washington — Henry Scott @ 9:00 pm

As I approached the park, I couldn’t help but notice the heavy duty power lines following the Skagit, like me. The power lines produced a constant buzz — the kind of thing one notices while traveling by bicycle. Although my biggest interest in the park is its geology, my first stops all had to do with the power lines. As you may have guessed, if you didn’t already know, the city of Seattle runs quite a few hydroelectric facilities off of the Skagit. There are a few large lakes in the park that are manmade to build up potential energy for driving turbines. Anyway, in addition to the NPS visitor center, there’s a company town in Newhalem for the Seattle Light Co.

It was still early after visiting the visitor center and Seattle Light museum, so I decided to continue on for the next campground, which is called Colonial Creek, and it is right on Diablo Lake — the first of the hydroelectric lakes.

It is a beautiful emerald green due fine particles of “glacial flour” suspended in. In this part of the park the dominant outcrops very old, and heavily metamorphosed crystalline basement rocks referred to as the Skagit gneiss.

I only ended up riding 25 miles today, but that gave me time to relax, get cleaned up and set up camp before Greg arrived at 6:30, and we then took an unexpectedly, at least by me, steep hike up to Pyramid Lake.


1 Comment »

  1. Wow! Great photos and website, Henry! I’d love to jump into that water next to the boat….

    Comment by Shirley Shelton — July 17, 2010 @ 7:38 pm

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