Location and surroundings
Geographically, Miriam Peak belongs to the North American Cordillera, continuing down through the Rocky Mountains, the Greater Yellowstone Rockies, the Wind River Range, and finally the Northern Wind River Range. Located in Sublette County, Wyoming, in the United States, the mountain is surrounded by a rugged alpine landscape characteristic of high-altitude ranges in the region.
Neighbouring peaks
Miriam Peak is closely surrounded by several other elevations and topographical features:
- Bobs Towers (peak), 3,963 m, 0.2 km SW
- Skyline Peak (peak), 3,917 m, 0.4 km W
- The Sphinx (peak), 4,024 m, 0.6 km NW
- Dinwoody Peak (peak), 4,115 m, 0.7 km E
- Doublet Peak (peak), 4,143 m, 0.9 km E
- Mount Woodrow Wilson (peak), 4,094 m, 1.0 km NW
- Mount Warren (peak), 4,093 m, 1.1 km E
- Twin Peaks (peak), 3,965 m, 1.5 km W
Among these, The Sphinx serves as the nearest higher peak, standing at 4,024 m just 0.6 km northwest of Miriam Peak.
The view from the summit
From the summit of Miriam Peak, several major high elevation points within a 25 km radius are visible under clear conditions. The highest peaks nearby include Gannett Peak at 4,206 m located 2.6 km northwest, Fremont Peak at 4,177 m situated 4.7 km southeast, Turret Peak at 4,147 m lying 1.8 km east, Bastion Peak at 4,103 m positioned 5.2 km north, Downs Mountain at 4,063 m at a distance of 16.5 km north, and American Legion Peak at 4,002 m located 2.7 km southwest.
The range
The mountain is part of the Northern Wind River Range, which contains 108 named peaks. The highest point of this range is Gannett Peak, reaching 4,206 metres just 3 km northwest of Miriam Peak. Miriam Peak itself holds the 21st position by elevation within this specific sub-range.
Climate and weather
Climate data for the summit are estimates from NASA POWER covering monthly means from 2001 to 2020, adjusted to the summit elevation. The mean temperature at the summit is warmest in July at about 8 °C and coldest in December at about -15 °C. Months with a mean above freezing at the summit include June, July, August, and September. Precipitation in the surrounding area totals about 450 mm a year, with May being the wettest month at about 70 mm and July the driest at about 25 mm. Typical mountain hazards for this elevation and region include sudden weather shifts, strong winds, and rapid afternoon thunderstorm formation during the warmer months.
Best time to visit
The optimal window to visit Miriam Peak aligns with the months that experience a mean temperature above freezing at the summit: June, July, August, and September. During these summer and early autumn months, conditions are generally more stable, and July represents the driest month for precipitation in the surrounding terrain, though high-altitude weather can remain unpredictable.
Nature and wildlife
The environment around Miriam Peak is defined by high-alpine terrain consisting of exposed rock, talus slopes, and patches of permanent ice or snow near the highest crests. Vegetation is sparse at 3,994 metres, limited to hardy alpine tundra plants, lichens, and mosses. Wildlife is similarly adapted to harsh conditions, with occasional sightings of bighorn sheep, mountain goats, and various raptors soaring over the ridges.
Guides and organised ascents
For high-altitude terrain of this nature, engaging a certified guide is advisable for less experienced mountaineers. In the United States, the national mountain guide association is the American Mountain Guides Association, which is an IFMGA/UIAGM member, alongside the national alpine club, the American Alpine Club. Established guiding companies operating in the country include RMI Expeditions based in Ashford, Washington, and Exum Mountain Guides based in Moose, Wyoming, serving as examples of where visitors turn for professional ascents in the region. Visitors should note that permit rules in the United States vary, with some peaks requiring climbing registration or specific permits from the land agency.
Safety and preparation
Ascending a peak of 3,994 metres requires proper acclimatization, sturdy footwear, navigation tools, and wind- or waterproof clothing to counter sudden exposure. In the event of an emergency, the general emergency number in the United States is 911; dispatchers will alert the local search and rescue team, which is usually operated by the county sheriff or national park service.
Interesting facts
Miriam Peak stands as the 21st highest of 108 named peaks in the Northern Wind River Range and ranks 24th highest among all 1,835 named peaks in Wyoming. Its nearest higher neighbour is The Sphinx, situated only 0.6 km to the northwest at 4,024 metres. Additionally, the highest point of the entire range, Gannett Peak, lies just 3 km northwest of the summit.
FAQ
What is the elevation of Miriam Peak? Miriam Peak stands at an elevation of 3,994 metres.Where is Miriam Peak located? It is located in the United States, within the state of Wyoming, Sublette County, and belongs to the Northern Wind River Range.
Which peak is higher and closest to Miriam Peak? The nearest higher peak is The Sphinx, which reaches 4,024 metres and is located 0.6 km to the northwest.
How does Miriam Peak rank in the region? It is the 21st highest of 108 named peaks in the Northern Wind River Range and the 24th highest out of 1,835 named peaks in Wyoming.
Is there water on the way to Miriam Peak? There are no maintained water sources or huts listed along the approaches; visitors should carry 1.5 to 3 litres of water and treat any natural water collected from snowmelt or streams before drinking.
What is the mobile phone coverage like on Miriam Peak? Coverage in the high hills and peaks of the region is generally patchy and depends entirely on the operator. It is recommended to download offline maps before setting out, and remember that 112 reaches emergency services over any available network.