List of Denver and Rio Grande Western Railroad lines

The following rail lines have been owned or operated by the Denver and Rio Grande Western Railroad or its predecessors.

Denver-Pueblo Joint Line: Denver (Union Station) to Pueblo

• Fort Logan Branch: Englewood (Military Junction) to Fort Logan
• Lehigh Branch: Louviers (Lehigh Junction) to Lehigh Mine
• Castle Rock Branch: Castle Rock to Hathaway
  • O'Brien's Quarry Spur: Hathaway to O'Brien's Quarry
• Douglas Quarry Spur: Douglas to Madge Quarry
• Manitou Branch: Colorado Springs (Manitou Junction) to Manitou

Royal Gorge Line: Pueblo to Salida via Royal Gorge

• Coal Creek Branch: Florence to Coal Creek
• Oak Creek Branch: Florence (Oak Creek Junction) to Oak Creek
• Chandler Creek Branch: Chandler Junction to Chandler Mine
  • Fremont Branch: Fremont Junction to Fremont Mine
• Grape Creek Branch: Cañon City (Grape Creek Junction) to Westcliffe
• Westcliffe Branch: Texas Creek to Westcliffe
• Howard Branch: Howard's Quarry Junction to Calcite

Tennessee Pass Line: Salida to Grand Junction via Tennessee Pass

• Calumet Branch: Brown Canon (Hecla Junction) to Calumet
• Leadville Branch: Malta to Leadville
  • California Gulch Branch: Oro Junction to Rowe Mill
  • Ibex Branch: Leadville to Ibex
    • Graham Park Branch: Graham Park Junction to Tucson
  • Blue River Branch: Leadville to Dillon
• Ryan Cut-Off: Leadville Junction to Leadville (Leadville Branch)
• Aspen Branch: Glenwood Springs to Aspen

Gunnison Line: Salida to Grand Junction via Marshall Pass and Black Canyon

• Monarch Branch: Poncha Junction to Monarch
• Mears Junction-Alamosa Line: Mears Junction to Alamosa
  • Orient Branch: Villa Grove to Orient
  • Crestone Branch: Moffat to Cottonwood
• Pitkin Branch: Parlin to Quartz
• Crested Butte Branch: Gunnison to Anthracite
  • Ruby-Anthracite Branch: Crested Butte to Floresta
• Baldwin Branch: Gunnison to Baldwin
  • Kubler Branch: Castleton to Kubler
• Aberdeen Branch: Gunnison (Aberdeen Junction) to Aberdeen Quarry
• Lake City Branch: Sapinero to Lake City
• Ouray Branch: Montrose to Ouray
• North Fork Branch: Delta (North Fork Junction) to Oliver

Utah Division: Grand Junction to Ogden

• Ballard and Thompson Railroad: Thompson to Sego
• Cane Creek Branch: Brendel to Potash
• Sunnyside Branch: Mounds to Sunnyside
• Spring Canyon Branch: Helper (Spring Canyon Junction) to Mutual
• Kenilworth Branch: Helper (Kenilworth Junction) to Kenilworth
• Jennings and Potter's Quarry Branch: Kyune (Jennings Junction) to quarries
• Pleasant Valley Branch: Colton to Clear Creek
  • Winter Quarters Spur: Scofield to Winter Quarters
• Marysvale Branch: Thistle to Marysvale
  • San Pete Valley Branch: Ephraim to Nephi
    • Morrison Branch: Ephraim to Morrison
    • Castle Valley Branch: Salina to Nioche
• Tintic Branch: Springville to Silver City
  • Goshen Valley Branch: Pearl to Dividend and Iron King
  • Mammoth Spur: Mammoth Junction to Mammoth Mill
• Provo Canyon Branch: Provo to Heber City
• Orem Branch: Provo (Provo Junction) to Orem
• Bingham Branch: Midvale to Bingham
  • Garfield Beach Extension: Welby to Garfield
  • Dalton and Lark Spur: Dalton to Lark
  • Bingham Branch Extension: Loline Junction to Cuprum
    • Copper Belt Branch: Bingham (Copper Belt Junction) to Montana-Bingham
      • Copper Belt-Carr Fork Branch: Yampa Mine Connection to Yampa Mine
• Little Cottonwood Branch: Midvale to Wasatch
• Park City Branch: Roper Junction to Park City
• Lake Park Branch: Farmington (Lake Park Junction) to Lake Park
• Hooper Branch: Roy to Cox

Pueblo–Alamosa line: Pueblo to Alamosa

• Old Main Line: Minnequa (Sonora Junction) to Trinidad; branch from Cuchara Junction to Walsenburg (Walsenburg Junction)
  • Rouse Branch: Rouse Junction to Rouse (later began at Mayne and then Monson on the C&S trackage rights)
    • Old Rouse Branch: Old Rouse Junction to Old Rouse Mines
  • Engleville Branch: Engleville Junction to Engleville
• Zinc Smelter Spur: Minnequa (Zinc Junction) to Blende
• Capers Branch: Mustang to Capers (including part of the Old Main Line near Capers)
• Colorado and Southern Railway trackage rights: Walsenburg to Longsdale Junction
  • Reilly Canon Branch: Longsdale Junction to Boncarbo
• Loma Branch: Walsenburg (Loma Junction) to Alamo
  • New Pacific Mine Spur: Pictou (New Pacific Junction) to New Pacific Mine
• Reliance Branch: La Veta (Reliance Junction) to Ojo
• Tropic Spur: La Veta (Tropic Junction) to Tropic
• Creede Branch: Alamosa to Creede

Alamosa–Durango line: Alamosa to Durango

• Santa Fe Branch: Antonito to Santa Fe
  • La Madera Branch: Taos Junction to La Madera
• Chama Lumber Spur: Chama (Biggs Junction) to Tierra Amarilla
• Pagosa Springs Branch: Gato (Pagosa Junction) to Pagosa Springs
• Rio Grande and Southwestern Railroad: Lumberton to Gallinas
• Farmington Branch: Carbon Junction to Farmington
• Silverton Branch: Durango to Silverton

Moffat Line: Denver (Union Station) to Dotsero (Tennessee Pass Line) via Moffat Tunnel

• Corona Line: Newcomb to Vasquez (old line over Corona Pass; abandoned when Moffat Tunnel opened)
• Craig Branch: Bond (Orestod) to Craig
  • Energy Spur: Hitchens to Energy

Rio Grande Southern Railroad: Ridgway (Ouray Branch) to Durango

• Telluride Branch: Vance Junction to Pandora