This deposit includes Bare-earth airborne lidar data collected in 2015, from the south flank of the Santa Ynez Range, north of Montecito, CA, USA. The raw data, collected in 2015 using a Geiger-mode LiDAR scanner, was purchased from Harris Corporation Archive with the Montecito Partners for Resilient Communities fund. Data were subsequently processed using LasTool software. This software was used to clip to the six mountainous watersheds that experienced debris flows during January 2018 and to isolate only classified ground points. The data files series of .laz files encompass an area on the south flank of Santa Ynez Mountains north of Montecito, CA, USA, near 34.4206, -119.6363 in degrees longitude and latitude.