New State Highpoint of Michigan – Mt Curwood

Michigan State Highpoint Survey New State Highpoint – Mt Curwood Eric Gilbertson Oct 26-27, 2024 Summary of results: Mt Curwood 1979.3 ft, Location (46.703004, -88.239504) Mt Arvon 1978.9 ft, Location (46.755828, -88.155317) (NAD83(2011) Epoch 2010 NAVD88 (Geoid18) datum) First dGNSS survey of Arvon and Curwood. Mt Curwood is the state… Continue reading →

Columbia Point Survey – Off CO Centennials List

Columbia Point Survey Eric Gilbertson1, Elijah Gendron, Ben Loftin 1. Seattle University Abstract Columbia Point is a mountain in South Central Colorado commonly considered to be a Centennial Peak (one of the highest hundred peaks in Colorado with at least 300ft of prominence). Light Detection and Ranging (LiDAR) measurements in… Continue reading →

New Colorado 14er Discovered- East Crestone

Crestone Peak and East Crestone Peak Elevation Surveys Eric Gilbertson1, Elijah Gendron, Peter Kline, Ben Loftin 1. Seattle University Abstract Crestone Peak is a mountain in South Central Colorado that has commonly been considered a ranked 14er (meaning a Colorado peak above 14,000ft elevation with at least 300ft of prominence)…. Continue reading →

St Helens Survey 2025

Mt St Helens Survey 2025 Eric Gilbertson Results: St Helens has shrunk by 0.4ft since Sept 2024. Current elevation is 8,320.7ft +/-0.1ft NGVD29 (datum summit elevations have historically been reported in). Results recognized by the peer-reviewed scientific journal Progress in Physical Geography (accepted for publication and will be online soon)… Continue reading →

Monalanong Hill, Botswana Highpoint

Monalanong Hill, Botswana Highpoint Survey August 7, 2025 Eric Gilbertson1, Mooketsi Segobye2, Yashon Ouma2, Boipuso Nkwae2 1Seattle University 2University of Botswana Survey results: Monalanong Hill 1492.12m +/-0.01m, Otse Hill 1490.25m +/-0.01m (orthometric height, EGM2008 geoid, 95% confidence interval) . Monalanong Hill is 1.87m +/-0.02m taller than Otse hill and is… Continue reading →