# How They Just Discovered a New 14,000 Foot Mountain

Source: https://www.youtube.com/watch?v=qX5Egm0CmMY
Recap page: https://rapidrecap.app/video/qX5Egm0CmMY
Generated: 2025-10-30T17:33:11.161+00:00

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## Quick Overview

Researchers discovered that East Crestone, previously considered a sub-peak of Crestone Peak, is actually a new 14er because its prominence measurement of 418 feet exceeds the 300-foot threshold, leading to its official recognition as the 59th 14er in Colorado, while Crestone Peak's official height was reconfirmed at 14,295 feet.

**Key Points:**
- East Crestone Peak was newly confirmed as a 14er because its prominence was measured at 418 feet (127m), exceeding the required 300-foot threshold.
- Crestone Peak's official height, measured using traditional trigonometry, was historically recorded at 14,295 feet (4,357m).
- The official list of Colorado 14ers has increased to 59 peaks following the reclassification of East Crestone.
- LiDAR surveys conducted in 2018-2019 provided high-accuracy elevation data, revealing East Crestone's prominence to be 418 feet relative to Crestone Peak.
- The video explains that measuring height above sea level (like Everest) differs from measuring prominence (how much a peak stands out from its saddle point).
- Modern measurement techniques like GPS/GNSS and LiDAR offer far greater precision than older methods like triangulation or spirit leveling.

![Screenshot at 00:34: The satellite imagery comparison showing the 418ft \(127m\) horizontal distance between Crestone Peak and East Crestone, visually establishing the lower saddle height used to calculate East Crestone's prominence.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-00-34.png)

**Context:** This video details the process by which researchers, specifically Eric Gilbertson and his colleagues, investigated the status of East Crestone relative to Crestone Peak in Colorado. The context revolves around the definition of a '14er' (a peak over 14,000 feet in elevation) and the geological concept of prominence, which determines if a secondary peak qualifies as a separate 14er or remains a sub-peak.

## Detailed Analysis

The video explains how East Crestone, previously thought to be a sub-peak of Crestone Peak, was officially determined to be a new Colorado 14er. The traditional survey of Crestone Peak in 1967 yielded an elevation of 14,294ft, but East Crestone was only estimated at 14,280ft. Modern surveys using GPS and LiDAR provided crucial data. Specifically, LiDAR data processed manually showed Crestone Peak's highest point at 14,302.1ft and East Crestone at 14,297.9ft. Crucially, the prominence (height above the lowest contour connecting it to a higher peak) of East Crestone was found to be 418 feet (127m), significantly surpassing the 300-foot threshold required for a peak to be officially counted as a 14er. This confirmed East Crestone as the 59th 14er. The video also contrasts absolute elevation (like Everest, 29,032 ft above sea level) with relative height from the Earth's core (where Chimborazo is tallest due to the equatorial bulge) and height from base to peak (where Mauna Kea is tallest).

### Crestone Peak Re-evaluation

- Crestone Peak surveyed at 14,295 ft in 1967
- East Crestone estimated at 14,280 ft
- New LiDAR data confirmed Crestone Peak at 14,302.1 ft and East Crestone at 14,297.9 ft

### Defining a 14er

- 14ers require 14,000 ft elevation AND at least 300 ft of prominence
- East Crestone's prominence measured at 418 ft (127m), qualifying it as a new 14er

### Measurement Techniques Explained

- Traditional trigonometry relies on known distances and angles (tangent function)
- GPS/GNSS provides precise location data
- LiDAR uses pulsed laser light to measure distance for high-accuracy elevation mapping

### Alternative Height Measures

- Mount Everest is highest above sea level (29,032 ft)
- Chimborazo is furthest from Earth's core due to equatorial bulge
- Mauna Kea is tallest base-to-peak (6 km underwater)

![Screenshot at 00:05: Initial display of Crestone Peak and the context of the 14er list being discussed.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-00-05.png)
![Screenshot at 00:19: USGS definition of 'Prominence' explaining the crucial topographic measurement being debated.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-00-19.png)
![Screenshot at 00:28: Satellite map illustrating the close proximity \(418ft/127m separation\) between Crestone Peak and East Crestone.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-00-28.png)
![Screenshot at 01:52: Illustration of how a theodolite uses trigonometry \(tangent function\) to measure mountain height from a known horizontal distance.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-01-52.png)
![Screenshot at 03:11: Side-by-side comparison highlighting that while Everest is higher above sea level, Chimborazo is further from the Earth's core due to the equatorial bulge.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-03-11.png)
![Screenshot at 04:47: Illustration showing how satellite GPS measurements can determine altitude but struggle to pinpoint the exact highest point on a peak.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-04-47.png)
![Screenshot at 05:08: Introduction of LiDAR \(Light Detection and Ranging\) as a modern, highly accurate surveying tool.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-05-08.png)
![Screenshot at 06:14: Visual confirmation of East Crestone being disqualified as a 14er by the 40 ft prominence measurement, overlaid with an 'APPROVED' stamp on Crestone Peak.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-06-14.png)
![Screenshot at 07:23: Excerpt from the research paper showing the final processed LiDAR data concluding East Crestone's prominence was 418ft, making it a 14er.](https://ss.rapidrecap.app/screens/qX5Egm0CmMY/00-07-23.png)
