On Main Street (State Highway 159) just north of 6th Street, on the right when traveling north.
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
On Main Street (State Highway 159) at 1st Street, on the right when traveling north on Main Street.
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
On Main Street (State Highway 159) just south of Archie Street, on the left when traveling south.
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
