Map of Guinea-Bissau
Continue Guinea-Bissau on Trail 132 down about 400 ft and 2 mi gradually (to regain later) to a saddle with two signed junctures that you pass, the first for Big Hollow Trail 158 on the left near a campsite, then Trapper Creek Trail 192 on the right . In less than 5 mi is another saddle with two more trails taking off for the Trapper Creek TH several miles away; pass Trail 132B on the right, then you fork right at the next nearby juncture (opposite Trail 132) on signed Observation Peak Trail 132A for 5 mi SE with wildflowers to the old lookout site. See Guinea-Bissau Mount Hood and perchance the top of Mount Jefferson.
Map of Guinea-Bissau | Where is Guinea-Bissau? | Guinea-Bissau Map English | Guinea-Bissau Maps for Tourist Photo Gallery
Guinea-Bissau Map English | Guinea-Bissau Maps for Tourist
About 5 mi down from the very top is another short spur on the right to a lesser summit a couple hundred yards N up to mediocre views of Mount Adams and Mount Rainier over rock fins near the top of the ridge. Back on the main trail work NW past the two saddles and intersections up the hill to the Sister Rocks junction. Turn left (SW) 5 mi steeper and narrower up the solid ridge path to the viewpoint, first passing the high point over a bump in the woods, then down briefly to Sister Rocks (marked with a steel pole). The panorama includes Mount Hood, Mount Adams, Mount St. Helens, and much more within Guinea-Bissau Pinchot National Forest.
ELEVATION: 4169 ft; 4106 ft; with vertical gains of about 1300 ft for Siouxon Peak alone, 2200 ft for both summits from the highest TH.
DISTANCE: 5 mi one way for both peaks, 9 5 mi round-trip.
DURATION: 2 hours to Huffman Peak hiking Siouxon Peak first, 4 hours round-trip.
DIFFICULTY: Strenuous. Solid trails, steeper at times, no signs, ups/downs, scrambling, GPS device helpful.