Grand Aiguille

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Elevation: 9,591 ft
Prominence: 306

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Climbing and access information for this peak is on Page 175 of the book. The location discussed below is based on Brian Westphal’s research. The exact location of a number of formations located above Redfish Lake Creek have been subject to conjecture. This is primarily because there were no USGS quadrangles available when the formations were first climbed. The map on page 174 has Grand Aiguille and Split Tooth reversed. The text description is correct. Published April 2026

The Grand Aiguille is located southeast of the Rhino Perch on the Heyburn Divide on a spur ridge that descends from the Heyburn Divide to Redfish Lake Creek. USGS Mount Cramer

Grand Aiguille, Kaden Platt Photo

Grand Aiguille, Class 5.4 (comfortable at 5.8) by Kaden Platt

Approach the SW saddle, scramble easy ledges mostly class 4. Due to there being a sea of tat on this route, a 40m would work, single .75-#5. The climbing begins by climbing a wide crack in a right facing corner. After this, it’s pretty much 5.ez to the top.

Additional Resources

Regions: Heyburn Divide->Sawtooth Range->WESTERN IDAHO

Mountain Range: Sawtooth Range

First Ascent Information:

  • First Ascent Year: 1946
  • Season: Summer
  • Route: Northwest Side (II, 5.4)
  • Party: J. Hieb, w. Grande, R. Widrig and W. Graham Mathews
  • Other First Ascent: South Face (II, 5.4)
  • Year: 1962
  • Season: Summer
  • Party: Fred Beckey and Jerry Fuller

Longitude: -114.9386   Latitude: 44.09088

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