You can reach the Upper Enchantment Lakes via the Snow Lakes Trail or the Colchuck Lake Trail/Pass route. I'll assume you can reach this area via maps. Once in the upper lakes area, see the map below. Little Annapurna is the easiest and hikers climb it regularly. Leave the trail from the plateau between Inspiration and Isolation Lakes and head south until you summit. For Enchantment, scramble up the NE peak from Prusik Pass. The SW peak is considered higher but is class 4 on top and is easier climbed from the Isolation Lake area. For Cannon Mountain, hike to Prusik Pass, traverse NW to some nice lakes, scramble up steep gullies above the lakes to the Druid Plateau, walk to the top.
Note: this area requires difficult to obtain permits to camp, contact the Leavenworth Ranger Station.
Sitting below Annunpurna in a September snowstorm
From Prusik Pass, Annunapurna is the peak on the right with Perfection Lake below
Looking down to Shield Lake from Prusik Pass
Inspiration Lake with Prusik Peak in distance
Near the summit of Cannon Mountain
North ridge of Enchantment, lakes in route to Cannon
Near Isolation lake

Little Annunpurna, Cannon and Enchantment

WillhiteWeb.com: Washington Hiking & Climbing
Access:
Distance: 18-25 miles RT depending on route
Elevation Gain: 7,500+ feet
Summit Elevations: Little Annapurna 8,460, Enchantment 8,540, Cannon Mountain 8,638
Access: Good Gravel
The Route:
Spice up your next Enchantment Lakes trip with a few peaks to scramble up. Although some of the rugged peaks in the Enchantments require ropes and mountaineering skills, there are a few scrambles.
From Leavenworth, turn south on Icicle Creek road. Follow the Icicle Creek road until a left turn on road 7601 (at the Bridge Creek Campground). Follow it 4 miles to the Lake Stuart/Colchuck Lake trailhead. Or start at the Snow Lakes trailhead 4 miles up from the Leavenworth turn.
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Climbing up Cannon Mountain
Cannon, Enchantment Peak Map
Shield Lake
Cannon Mountain summit plateau
Prusik Pass and peak
Colchuck Lake from Colchuck Pass
Sitting below Annunpurna Inspiration Lake Isolation lake Perfection Lake Prusik Peak Shield Lake Enchantment Lakes Washington North ridge of Enchantment Cannon Mountain Cannon Mountain Cannon Mountain Colchuck Lake Cannon Mountain
Cannon Mountain
Alpine Lakes Wilderness shield lake enchantment climb
prusik peak backside
Prusik Peak backside
Cannon Mountain