Gillespie Creek is an intermittent stream or arroyo in Hidalgo County, New Mexico. Gillespie Creek is long, heading in the Animas Mountains at and flowing northeasterly until it ends in the Playas Valley, at an elevation of . Its waters in flood would reach Playas Lake. Its mouth is located 24 miles south southeast of Animas. Bennett Creek is a tributary that has its confluence with Gillespie Creek at an elevation of .