Talk:List of mountain peaks of Mexico
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Can anyone provide estimates of topographic prominence for the following summits?
Signal Mountain, Baja California
Mount Signal, California, per its wikipedia article, is a community "named for Mount Signal, a summit about 5.5 miles (8.9 km) southwest, inside Mexico. It is also known as El Cerro Centinela, by the Mexicans, and Wi'Shspa, by the Kwapa: Cocopah people." "Even though Mount Signal appears to be in the United States, it is actually located on the Mexican side of the border. If one would like to climb all 2,300 feet (700 m) to the top, one must do so from the Mexican side." This beats s the criterion for this list-article, a 500m prominence. So I think it should be added, if confirmation can be obtained. It could be added as Mount Signal, Baja, or El Cerro Centinela or Mount Signal.
The Wikipedia article is not a valid source of the mountain's prominence, of course, but there's no particular reason to distrust it, either. Does anyone else have sources that could report the elevation of this mountain? Note the community is located below sea level, so the altitude of the mountain, plus a little, would be its "prominence". doncram 02:56, 13 August 2015 (UTC)
From Google satellite view one can see it is near La Rumorosa, a town at 1232m, per its Wikipedia article. La Ruminosa is at the high point of a road across the mountain's shoulder. Satellite view shows switchbacks climbing to it from Mexicali and from Tijuana. The mountain top is higher than 1232m; there is a dry salt lake flat at the base the mountain. A topographical map is needed! --doncram 03:38, 13 August 2015 (UTC)
- Hmm, no it is a different location than i thought. The topo map matches up to a point in the Google satellite view that is to the east. Ruminosa is higher, on a mountain range that the road has to go over. East of Ruminosa the same road just goes around Mount Signal, which is at doncram 19:06, 13 August 2015 (UTC) (my guess of which is the very highest point). Oh, and Google labels it "El Centinela", i can see when i zoom in. --
And here is topo map of Mount Signal]!, from within artist Allan McCollum's set of 100 images of Mount Signal I count at least 3 steps of 20m per line climbing to the heavy 100m line, then count up to the highest 100 contour line at 700, plus 40 or 60m in 2 or 3 steps, there's some height above that. All 740 - 40 = 700m is directly supported without starting at the very lowest point near by and without reaching to the highest point, which is above 740 or 760 elevation. doncram 04:02, 13 August 2015 (UTC)
Use 30 as cutoff or 500m
Adding Mount Signal / El Centinella to the table would knock off which one the two listed as >500m, if the table is limited to the top 30. I say use 500m cutoff instead, and add also the 500m mountain mentioned in the text before the table. --doncram 19:13, 13 August 2015 (UTC)
There are a few mountains missing within the top 10:
- Sierra Negra (altitude 4580 m, prominence 540 m)
- Mount Tlaloc (altitude 4120 m, prominence 920 m)
The Telapón (see the Spanish article; altitude 4060 m) is sometimes included in a list of highest mountains. It has a prominence of only 400 m from Mount Tláloc, but cannot be accessed directly from there. It is most easily accessed from Río Frío or Llano Grande, from where it provides an elevation gain of over 850 metres.
Ok, I added Sierra Negra, mount Tlaloc, Cerro El Rosario and El Pinal. But there are a few still missing (source):
- Cerro Las Derrumbadas, south peak (Puebla). Altitude: 3480 m. Prominence: ± 1000 m. Coordinates:
- Cerro Las Derrumbadas, north peak (Puebla). Altitude: 3420 m. Prominence: 640 m. Coordinates:
- Cerro Pinto (Puebla). Altitude: 3000 m. Prominence: 560 m. Coordinates:
At least one more
This keeps on giving!
- A few kilometers to the south, just over the border into the State of Mexico, there is also a prominent (± 700 m) peak of about 3560 m. It appears as having no name of its own, but a lesser summit of the same massif is called Cerro Pelón. See .
Two to go... at least
Today I edited the article to include all the mountains listed above. I have been browsing topographic maps and found two more (source):
- Cerro Hilillo (Puebla). Altitude: 3140 m. Prominence: at least 550 m (to the west, connecting to the east end of the Tlaxco range).
- Cerro Pizarro (Puebla). Altitude: 3080 m. Prominence: 660 m.
The Tlaxco range is worth exploring in this respect. There might be some other prominent summits, for example around the towns of Cuatexmola and Tuligtic. --Bodofzt (talk) 01:37, 4 November 2016 (UTC)