Diablo Lake Overlook
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On the Loop: North Cascades Region

North Cascades Region Map

Liberty Bell opening day 4-19-2024

Marked by the massive bulk of Liberty Bell and Early Winters spires, Highway 20 — also known as the North Cascades Scenic Highway — is a designated byway located on the Cascade Loop. It is surrounded by jagged peaks and valleys, waterfalls and more than 300 glaciers within the North Cascades National Park. Several peaks rise well above 9,000 feet in elevation! Not surprisingly, hiking, climbing and camping are hugely popular here. (A nice perk about North Cascades National Park is that there is no entry fee, a rarity among national parks.) 

Continue onward and upward until you reach the brilliant turquoise-colored Ross and Diablo lakes. Views from these glacier-fed lakes reach north to Canada and south into the most-glaciated valley in North America outside of Alaska. Colonial Creek and Newhalem campgrounds offer the most vehicle-accessible campsites in the park with summer programs and ancient forest hikes.

Newhalem Gorge Dam

Newhalem

Chat with park rangers, check out maps, exhibits, audio-visual displays, trails and viewpoints at the North Cascades National Park Visitor Center. Learn about local history and stretch your legs at the Skagit Information Center, nearby Ladder Creek Falls Trail, and the Trail of the Cedars (see permit info.)

Upriver Grill, Marblemount

Marblemount & Rockport

Marblemount is the first full-service community you reach on the western slope of Highway 20. Rockport State Park offers numerous places to hike through forests with sweeping views of the Skagit River (see permit info.) The upper Skagit Valley supports a growing list of recreational experiences including fishing, camping, river rafting, snowmobiling, hiking and wildlife watching.

Next, continue west toward the Skagit Wild and Scenic River System, which includes the Cascade, Sauk and Suiattle rivers. These clean, rushing waters are home to five species of Pacific salmon, as well as two species of trout. Nearly 300 species of wildlife populate the area, including black-tailed deer, elk, black bear, bald eagle, great blue heron and osprey. High-mountain glaciers feed the Skagit watershed, flowing south from British Columbia to provide ideal conditions for migratory birds. Bird-watchers, this is a place where you’ll want to have your binoculars handy!

Silo Park

Concrete

The historic town of Concrete was fittingly named when it served as a cement production center that supplied cement for neighboring Ross and Diablo dams. Start your day here with an epic cinnamon roll served up by the friendly staff at 5b’s Bakery. Then, for lunch or dinner, grab an award-winning slice of pizza, calzone or the signature cal-sub at Annie’s Pizza Station. Stroll the historic town center, visit the community garden, or get wet in the spray park at Silo Park.

Important Note About Winter

The North Cascades receive incredible amounts of snowfall each winter. Because of this abundant precipitation, Highway 20 will be closed from milepost 171 (west of Mazama) to milepost 134 (East of Diablo) each year, usually late November through late April. Check out the pass’s historic opening and closing dates at https://wsdot.wa.gov/travel/roads-bridges/mountain-pass-closure-and-opening-dates

North Cascades Visitor Services

Plan Your Adventure

Wildlife & Birding
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Historic Dams
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Back Country
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Climb On!
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Winter
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Mt. Baker
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On the Water
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HIking
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Images from the North Cascades

Wildflowers on Cascade Pass, Photo by Andy Porter

Stories in the Area

Top 10 Fall Color Corridors on the Cascade Loop
10/10/2024
The thing that folks love most about the Cascade Loop is its diversity of views throughout the byway, and fall colors are no exception. The colors are wild and vibrant… Read More >>>>
Filmed on the Cascade Loop
6/12/2024
When you are surrounded with the kind of beauty we have on the Cascade Loop, its not surprising that movie crews have been coming to the area for years to… Read More >>>>
Geocache Your Way Around The Loop!
5/22/2024
Geocaching is kinda like a family-friendly treasure hunt! There are a variety of types of Geocaches from large containers like ammo cans or plastic containers (snap-lock-type) to small magnets stuck… Read More >>>>
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