Rio de Janeiro | Rio Grande do Sul | Rio Grande | Rio de Janeiro (state) | Grande Comore | Rio Grande do Norte | Río de la Plata | Rio | Rio Tinto Group | Rio Negro | Natal, Rio Grande do Norte | Rio Tinto | Rio Negro (Amazon) | Rio Grande Valley | Rift Valley Province | Pinar del Río | Río Piedras, Puerto Rico | Rio Branco | Pinar del Río Province | Ribeira Grande, Cape Verde | Rio Ferdinand | Ribeira Grande | Universidade Federal do Rio Grande do Sul | Río Negro | Grande Chartreuse | Del Rio, Texas | Albertine Rift | Campo Grande | Rio Tinto Alcan | Río Piedras |
The route departs the Laguna Pueblo, briefly transits the Tohajiilee Indian Reservation (a chapter of the Navajo Nation), crosses the Rio Puerco and begins a steep climb to the top of a mesa marked by several small cinder cones overlooking the Rio Grande rift and Albuquerque.
The Socorro, New Mexico region (Socorro-Magdalena caldera cluster) of the central Rio Grande rift hosts an inflating mid-crustal sill-like magma body at a depth of 19 km that is responsible for anomalously high earthquake activity in the vicinity.