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
Emigrant Wilderness Backpacking Eric and Matthew Nov 8-9, 2025 26 miles I flew down to California Friday evening and we drove up to the Crabtree trailhead Saturday morning. NOHRSC was showing the snow from Wednesday had mostly melted out, so we went ultralight with trail runners and light packs. The… Continue reading
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
Harts Pass – October Snowmobiling Oct 26, 2025 Eric and Talon This has been one of the snowiest Octobers I can remember in Washington, and a storm Saturday night was forecast to dump a few feet of snow at higher elevations. Usually in the fall sometime in mid November I… Continue reading
Mt Barney Survey Oct 19, 2025 15 miles Eric and Comma Results: Elevation 7832.5ft +/-0.3ft NAVD88 I was hoping to survey one of the remaining few WA Top 200 edge case peaks before survey season ended with the onset of deep snow. The original plan was Corral Peak, and we… Continue reading
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
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
Half Moon Peak Survey Sept 19, 2025 Eric and Nick Results: 7992.1 ft +/-0.2ft NAVD88. Too short for WA Top 200 list by 0.7ft. Last fall I finished a project to figure out an accurate list of the 100 highest peaks in WA using a combination of Lidar data analysis… Continue reading
Julianatop, Suriname Highpoint Eric Gilbertson, Serge Massad, Viri Alvarez, Fernando, Scott Beems, Dean Veldhuizen, Sisaman (Edinho), Yepe (Guiano) Survey Results: 1256.1m +/-0.2m (orthometric height, EGM2008, 95% confidence interval) Aug 28 – depart Seattle Aug 29 – arrive Paramaribo Aug 30 – buffer day Aug 31 – Fly to Kayser, boat… Continue reading
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