The route to Jack Mountain is a Class 5 and above and involves exposed climbing. Gear and experience are recommended.
North Cascades -- North Cascades Highway - Hwy 20View map below
Highest Point: 9066 ft.
Map & Directions
Co-ordinates: 48.7724, -120.9570 Open map in new window
From the south, drive on Highway 20 (North Cascades Highway) to milepost 138. The trailhead is accessible also via Ross Lake Resort's water-taxi, which will drop you off at various point along the trail.