Gifford Pinchot National Forest Cedar Flats Natural Area Hike Hike 31 Length: 1 Mile Loop Elevation Change: Very Little Elevation gain/loss Season: Year Round Difficulty:   Easy Permit:   No Pass Requirement Features: Cedar Flats Natural Area is a preserve set aside to protect an excellent collection of 650 year old trees along the Muddy River. There are Western Red Cedar, Douglas Fir, and Western Hemlock. The trail provides a small loop through these ancient trees where you can walk, and see, and smell, and feel what it must have been like in this valley so very long ago. A Virtual Hike in the Gifford Pinchot National Forest All for the love of hiking!