Angeles National Forest Locate the trailhead. Echo Mountain is the most popular local trek. Easy to find at the top of Lake, the other main street after Colorado in Pasadena. Even on weekdays, it can be a little bit crowded so on this gorgeous and warm, but not too warm, winter Sunday saw a veritable highway of people going up and down. The trail heads up 2.7 miles to the mountain and then three trails split off from there to go further up. I took the third one that you come to in the space of 50 yards just before getting to the location of the ruins of the old hotel and trains. The trail itself is mostly out in the open on a southerly slope with some amount of westerly slope visits. It can be quite hot in the summer, especially in the afternoon. Of course, on a clear day this affords rather grand views of the city. On a very clear day, there's even ocean out there to be seen. This was a very very clear day. A clear day in Los Angeles. The shinny thing is ...