High-altitude dive (No deco. | Deepest)
Last updated: February 12, 2020 at 4:16 am
18 m (60 ft) (Corrected depth) | Altitude: 4,877 m (16,000 ft) — George K. Watson (USA) and Preston Sowell (USA), Laguna Sibinacocha, Peru, August 13, 2013. Total dive time was 30 minutes. The dive took place during an archeological expedition for the Sibinacocha Watershed Project.