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San Luis, Colorado
 
By Cosmos Mariner, July 12, 2025
Oldest Town in Colorado Marker
SHOWN IN SOURCE-SPECIFIED ORDER
1 ► Colorado, Costilla County, San Luis — Oldest Town in Colorado —
The birthplace of Colorado is here! On April 9, 1851, the Town of San Luis was founded as the first permanent settlement in Colorado. This settlement was in the northernmost frontier of Hispano lands and very few ventured into this unknown . . . — — Map (db m294296) HM
2 ► Colorado, Costilla County, San Luis — Commemorating the San Luis Peoples Ditch —
The oldest continuously used ditch in Colorado, with court decree priority No. 1, and dating from April 10, 1852. Dug by the pioneer settlers of Colorado. Colorado's greatness is built upon irrigation. ——— This tablet is the property of . . . — — Map (db m281600) HM
3 ► Colorado, Costilla County, San Luis — Costilla County Courthouse — Erected in 1883 —
Located within the National Historic Landmark District of La Plaza de San Luís De La Culebra Listed to the National Register of Historic Places on December 22nd, 1978 — — Map (db m294294) HM
4 ► Colorado, Costilla County, San Luis — R & R Market — Colo's Oldest — Estab 1857 —
[title is inscription] — — Map (db m293700) HM
 
 
  
 
 
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Oct. 17, 2026