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Ira Spring Trail - Mason Lake

Snoqualmie Region


Snoqualmie Region -- Snoqualmie Pass
View map below


6.5 miles, roundtrip


Gain: 2420 ft.
Highest Point: 4320 ft.


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WTA worked here: 2019

Parking Pass/Entry Fee

Northwest Forest Pass

Sun-drenched ridgelines, blooming trillium, and sparkling alpine waters define this fitting tribute to one of Washington’s greatest trail advocates. An ode to lifelong nature photographer and conservationist Ira Spring, this highly popular summer trail traverses steep pitches and open meadows en route to Mason Lake, a popular weekend camping destination in its own right.

From the parking lot, the trail meanders through dense forest and gently climbs a few long switchbacks until reaching Mason Creek at 0.8 mile. Normally docile from late spring to fall, be aware that high water can occur in the spring.

Luckily, thanks to the efforts of volunteer crews and the generosity of the Spring Trust for Trails, a sturdy footbridge has been installed across the creek, and hikers can safely cross it in all seasons.

At 1.6 miles, veer left at an obvious but unmarked junction and take a deep breath -- the real climbing starts here. Ascending several steep pitches, the trail zigzags above tree line into an alpine meadow bursting with seasonal wildflowers and mountain vistas. Stay left at the junction with the Bandera Mountain Trail at 2.9 miles and continue climbing north toward the high point of the hike, a rocky crest at 4,320 feet. Here, expansive views to the south and west reveal prime photo opportunities and glimpses of Mount Rainier on clear days.

Drop over the north side of the ridge into the Alpine Lakes Wilderness, quickly descending about 300 feet to the shores of Mason Lake -- a small but deep alpine pool swimming with plump trout.

The main trail continues along the west and north banks of the lake to several designated camping areas, complete with a backcountry privy. Find an unclaimed boulder on the shore and soak in sunlight while enjoying views of Bandera Mountain and its tree-lined slopes reflect off the cool waters.

WTA Pro Tip: There are several ways you can lengthen your trip here.

Option 1: From the junction with the Bandera Mountain Trail, head to the summit of Little Bandera Mountain -- a short but aggressive 0.6-mile jaunt to elevated lake views and sweeping northwest vistas. But don’t underestimate the effort required; from the turnoff, this narrow path soars 700 feet up the ridge spine in just over half of a mile.

Option 2: From Mason Lake, follow the main trail along the north bank to the junction with Mount Defiance Trail. Turn left and follow this trail for 1.3 miles until reaching a spur trail to the summit at 5,200 feet. Views abound at the crest, but the 5,584-foot summit is a steep climb and scramble along the rough 0.2-mile spur trail.


Ira Spring Trail - Mason Lake

Map & Directions

Co-ordinates: 47.4257, -121.5843 Open map in new window


Snoqualmie Region -- Snoqualmie Pass

Ira Spring (#1038)

Mt. Baker-Snoqualmie National Forest, Snoqualmie Ranger District

See weather forecast

Guidebooks & Maps

Day Hiking: Snoqualmie Region (Nelson & Bauer - Mountaineers Books)

Buy the Green Trails Snoqualmie Pass Gateway No. 207S map

Getting There

From Seattle, drive east on I-90 to exit 45. Turn left and cross under the highway, then veer left onto FR-9030. About one mile from the exit, stay left at the fork onto Mason Lake Road, FR-9031. Park in the lot at the end of this road, 3.8 miles from the highway. There is a privy at the trailhead.

Parking Pass/Entry Fee

Northwest Forest Pass

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Ira Spring Trail - Mason Lake

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