Location and surroundings
Mount Blum is in the Bacon-Blum-Triumph Area of the Skagit Range, which is part of the North Cascades, Cascade Range, Pacific Coast Ranges, and the wider North American Cordillera. It is in Whatcom County, Washington, United States. At 2,328 m, it is the highest of 19 named peaks in its local area and the high point of that range. The mountain rises above steep alpine basins, glacial bowls, and narrow ridges, with the Baker Lake reservoir touching its far northeastern edge.
Neighbouring peaks
- Mount Hagan — 2,060 m, 3.9 km south
- Seahpo Peak — 2,229 m, 8.7 km northwest
- Mount Despair — 1,976 m, 8.8 km east
- Icy Peak — 2,141 m, 9.7 km north
- Bacon Peak — 2,152 m, 10.6 km south
- Mount Crowder — 2,147 m, 10.6 km northeast
- Mount Triumph — 2,207 m, 10.7 km southeast
- Damnation Peak — 1,703 m, 11.7 km southeast
These nearby summits show how central Mount Blum is in the local cluster. It is higher than all of the listed neighbours, and the closest one, Mount Hagan, lies just to the south along the ridge connection.
The view from the summit
From Mount Blum, the highest peaks within 25 km include Mount Baker to the west, Mount Shuksan to the northwest, and several high North Cascades summits to the northeast and east. Luna Peak lies 17.6 km northeast, Mount Challenger 13.7 km northeast, Mount Fury 13.3 km northeast, and Mount Terror 13.6 km east. The broad view links the glacier-clad western peaks with the more rugged interior of the range.
The range
Mount Blum belongs to the Bacon-Blum-Triumph Area, whose high point is Mount Blum itself. The area contains 19 named peaks, and Blum ranks first by elevation among them. In the wider mountain hierarchy, it sits inside the Skagit Range and the North Cascades of Washington. The local range is compact but steep, with closely spaced summits, glacial basins, and deep drainage lines that give the area its broken relief.
Climate and weather
Climate estimates from NASA POWER climate data for 2001–2020 suggest a summit mean temperature of about 7 °C in July, the warmest month, and about -9 °C in December, the coldest. At summit level, the mean stays above freezing in June, July, August, and September. Around the mountain, annual precipitation is about 1,650 mm, with November the wettest month at about 250 mm and July the driest at about 40 mm. Expect wet snow, rapid weather changes, cloud, and avalanche danger in winter and spring.
Best time to visit
For a climb or long approach in this part of the North Cascades, the most workable window is usually the period when summit temperatures are above freezing: June through September. Even then, snowfields can linger on shaded slopes and in cirques, and early season travel may still feel winter-like. July and August are the driest months in the local climate pattern, but storms can still arrive quickly. Higher routes are best planned for stable weather and long daylight.
Nature and wildlife
The mountain sits in a steep alpine setting with granite walls, glaciers, tarns, and subalpine slopes. The lower terrain around the North Cascades typically carries dense forest, then transitions to heather, rock, and snow as elevation rises. On Mount Blum itself, two small active glaciers lie on the northern flank, and several ice sheets occupy nearby cirques and basins. Wildlife in this region can include mountain goats, black bears, marmots, and high-country birds, especially where summer snowmelt opens feeding areas.
Guides and organised ascents
For a mountain of this terrain and remoteness, a certified guide is useful for parties without strong route-finding and glacier travel experience. In the United States, the national guide association is the American Mountain Guides Association, an IFMGA/UIAGM member. The national alpine club is the American Alpine Club. Examples of established guiding companies in the country include RMI Expeditions in Ashford, Washington, and Exum Mountain Guides in Moose, Wyoming. Some peaks in the country require permits or registration depending on the land agency.
Safety and preparation
Mount Blum demands preparation for steep, wet, and often snowy North Cascades terrain. The approach may involve route-finding on rough ground, travel near glaciers, and exposure to fast-changing weather. Wet snow and hidden ice can make slopes unstable, and the surrounding valleys are remote enough that self-rescue can be slow. In the United States, the emergency number for mountain rescue is 911; dispatchers alert the local search and rescue team, usually through the county sheriff or a national park system.
History and name
Mount Blum was named for John Blum, a United States Forest Service fire patrol pilot who died in a plane crash near Snoqualmie Pass in 1931. The mountain is also known as Mount Bald. Its geology reflects the broader North Cascades story: firm granite intrusions, uplift, faulting, and repeated glaciation have shaped the sharp ridges and deep valleys around it. The mountain’s drainage feeds the Blum Creek system and nearby basins, including the Blum Lakes.
Interesting facts
Mount Blum is the highest mountain in the Bacon-Blum-Triumph Area and the highest of its 19 named peaks. It is 3.9 km north of Mount Hagan, the nearest listed peak, and 24.5 km east of Mount Baker, the highest summit within 25 km. The mountain has two small active glaciers on its northern flank, and its granite is described as very firm compared with the looser rock of Mount Shuksan and the Picket Range.
FAQ
How high is Mount Blum? It rises to 2,328 m in the North Cascades of Washington.
Where is Mount Blum located? It is in Whatcom County, Washington, United States, on the western edge of North Cascades National Park.
What range is Mount Blum part of? It belongs to the Bacon-Blum-Triumph Area within the Skagit Range, North Cascades, and Cascade Range.
What are the nearest peaks to Mount Blum? The closest listed peak is Mount Hagan, 3.9 km south. Other nearby summits include Seahpo Peak, Mount Despair, Icy Peak, Bacon Peak, Mount Crowder, Mount Triumph, and Damnation Peak.
Is there water on the way to Mount Blum? There are glacial-fed tarns, streams, and snowmelt in the area, but water should be treated. Carry about 1.5-3 litres for a day, more in warm weather or on a long approach.
Is mobile phone coverage reliable on Mount Blum? Coverage in the hills is patchy and depends on the operator. On open ridges it may be better, while deep valleys and terrain shadow often block it. 112 reaches emergency services over any available network, and maps should be downloaded before setting out.
When is the best time to visit Mount Blum? June to September is the most practical period, because summit temperatures are above freezing then and July and August are the driest months.