Last worked about 50 years ago, sulfur was mined throughout this valley. Below is the old road south of San Felipe.

Many pits and caves were dug. Perhaps more to escape the sun than for the yellow mineral.

Sulfur is used to make many products including gunpowder, matches, and fertilizer. When lit with a match, this mineral burns and gives off a poisonous gas (sulfur dioxide).

The girls became good Baja amigas.

Alicia, Suzanne (GeoRock), and Pete... The Hummer gang!

David K and daughter Sarah, part of the next generation of Baja aficianados!

GPS DATA (with elevation) @ map datum NAD27

  • Nuevo Mazatlan: 30°43.31'/ 114°42.32' (22 ft.)
  • Tour route west at Hwy. 5: 30°43.44'/ 114°42.82' (44 ft.)
  • Old main road south, near sulfur mine: 30°42.76'/ 114°46.73' (347 ft.)
  • El Parral Canyon road: 30°41.51'/ 114°46.42' (397 ft.)
  • Fork: left to lower Matomi (17.7 mi.), go right (for Parral): 30°41.30'/ 114°47.22' (482 ft.) Pass through mountain to Valle Chico.
  • Valle Chico and Parral road junction: 30°35.21'/ 115°03.99' (1,780 ft.)
  • Arroyo Matomi, end of Valle Chico road: 30°29.63'/ 115°01.52' (1,937 ft.)
  • Rancho El Matomi: 30°27.40'/ 115°04.82' (2,466 ft.)
  • Jcn. road north 17.7 mi. to Parral road: 30°29.78'/ 114°50.12' (736 ft.)
  • Hwy. 5 (10 mi. north of Puertecitos): 30°29.42'/ 114°39.99' (112 ft.)

My 1988 area map with some update notes .

The area of our day trips as it appeared in this 1962 map by Howard Gulick. Note: 'Persebu', 'Agua de Chale', Sulfur Mine, and Arroyo Matomi.

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