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![CO 17 and US 285](../../images/roads/co017-01.JPG)
37 Slides: CO 17
10th longest strait road in the world at 48 miles; parallel US 285 known as the
Gunbarrel for its strait (speeding) section between Saguache and Monte Vista, 36 miles
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![Poncha Pass](../../images/roads/co017-02.JPG)
From US 285, northward extension of CO 17 (note the redundancy in the sign Rio and River)
Sep 11 2017 - 11:48 am
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![San Luis Creek](../../images/roads/co017-03.JPG)
Headwaters of San Luis Creek from Poncha Pass; (the creek flows in a closed basin to San Luis Lake)
Sep 11 2017 - 11:38 am
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![Mt. Shavano](../../images/roads/co017-04.JPG)
Mt. Shavano (14,229') of the Sawatch Range looking north from US 285
Nov 05 2020 - 5:41 pm
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![Sangre de Cristo Range](../../images/roads/co017-05.JPG)
Northern Sangre de Cristo Range looking north from US 285
Nov 05 2020 - 5:35 pm
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![San Luis Valley](../../images/roads/co017-06.JPG)
Easternmost surface flow of the San Juan Mountains
Nov 05 2020 - 5:32 pm
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![CO 17](../../images/roads/co017-07.jpg)
Leaving US 285 left on CO 17
Nov 12 2121 - 2:22 pm
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![Sangre de Cristos](../../images/roads/co017-08.jpg)
Northern Sangre de Chisto Range in the late afternoon sun looking south from CO 17
Nov 13 2121 - 5:18 pm
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![Crestone Group](../../images/roads/co017-09.jpg)
Crestone Group of five 14ers: Crestone Peak (14,294'), Crestone Needle (14,197'), Kit Carson Mountain (14,165'), Challenger Point (14,081'), and Humboldt Peak (14,064')
Nov 12 2121 - 2:45 pm
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![Telephoto](../../images/roads/co017-10.jpg)
Closer
Nov 12 2121 - 2:41 pm
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![Telephoto](../../images/roads/co017-11.jpg)
Even closer: Kit Carson Mountain (left) and Crestone Peak (right)
Nov 12 2121 - 2:41 pm
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![Stait CO 17](../../images/roads/co017-12.jpg)
CO 17 straight as an arrow for 48 miles
Nov 12 2121 - 2:38 pm
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![Blanca Peak Group](../../images/roads/co017-13.jpg)
Blanca Peak Group cradling Great Sand Dunes National Park (left)
Nov 12 2121 - 2:45 pm
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![Blanca Peak Group](../../images/roads/co017-14.jpg)
Blanca Peak Group of four 14ers: Blanca Peak (14,351'), Ellingwood Point (14,048'), Mt. Lindsey (14,048') and Little Bear Peak (14,037')
Nov 12 2121 - 2:45 pm
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![US 285](../../images/roads/co017-15.jpg)
Blanca Peak Group from just south of Alamosa (CO 17 joins US 285 from Alamosa south 29 miles to Antonito)
Nov 12 2121 - 3:06 pm
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![Northern Sangres](../../images/roads/co017-16.jpg)
Colorado Sangre de Cristo Range from Culebra Range to Poncha Pass with San Juan Mountain volcanics creeping into San Luis Valley (left)
Nov 12 2121 - 2:54 pm
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![Solar Farm](../../images/roads/co017-17.jpg)
Solar farm facing southwest
Nov 12 2121 - 3:07 pm
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![Culebra Range](../../images/roads/co017-18.jpg)
Culebra Range of the Sangre de Cristo Mountains
Nov 12 2121 - 3:16 pm
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![Culebra Peak](../../images/roads/co017-19.jpg)
Culebra Peak (14,053') southernmost 14er, 10th of the Sangres
Nov 12 2121 - 3:16 pm
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![Culebra Peak](../../images/roads/co017-20.jpg)
Culebra Peak over irrigated hay field
Nov 12 2121 - 3:47 pm
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![San Juan Mountains](../../images/roads/co017-21.jpg)
San Juan Mountain Lava Flowing into San Luis Valley south of Alamosa
Nov 12 2121 - 3:51 pm
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![Shield Volcano](../../images/roads/co017-22.jpg)
San Antonio Mountain (10,908') a basalt shield volcano in New Mexico
Nov 12 2121 - 4:20 pm
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![Blanca Peak](../../images/roads/co017-23.jpg)
Telephoto of Blanca Peak
Nov 12 2121 - 3:56 pm
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![Basalt](../../images/roads/co017-24.jpg)
Basalt capped mesas at the north end of a basalt field that extends into New Mexico along the Rio Grande Rift
Nov 12 2121 - 3:56 pm
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![San Luis Valley Hay](../../images/roads/co017-25.jpg)
San Luis Valley hay field in front of the San Juan Mountains
Nov 12 2121 - 4:06 pm
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![La Jara, CO](../../images/roads/co017-26.jpg)
La Jara, CO
Nov 12 2121 - 5:58 pm
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![Antonito, CO](../../images/roads/co017-27.jpg)
Antonito, CO
Nov 12 2121 - 5:39 pm
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![Cinder Cone](../../images/roads/co017-28.jpg)
Basalt capped cinder cone
Nov 12 2121 - 4:21 pm
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![San Juan Mountains](../../images/roads/co017-29.jpg)
Entering the San Juan Mountains
Nov 12 2121 - 4:42 pm
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![Tuff](../../images/roads/co017-30.jpg)
Densely welded ash cliffs separated by forested ash fall layers
Nov 12 2121 - 4:44 pm
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![Conejos Valley](../../images/roads/co017-31.jpg)
Conejos Valley
Nov 12 2121 - 5:07 pm
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![Conejos River](../../images/roads/co017-32.jpg)
Conejos River
Nov 12 2121 - 5:24 pm
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![Aspen Without Leaves](../../images/roads/co017-33.jpg)
Aspen without leaves contrasts with the forest green
Nov 12 2121 - 4:52 pm
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![Conejos River Headwaters](../../images/roads/co017-34.jpg)
Conejos River headwaters (next slide is a barely legible sign at left)
Nov 12 2121 - 4:58 pm
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![Road Sign](../../images/roads/co017-35.jpg)
Road Sign
Nov 12 2121 - 4:59 pm
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![La Manga Pass](../../images/roads/co017-36.jpg)
La Manga Pass (turn around point, 11 miles from the Colorado border with New Mexico)
Nov 12 2121 - 5:01 pm
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![Sunset In The East](../../images/roads/co017-37.jpg)
In time to catch the sunset in the east
Nov 12 2121 - 5:52 pm