Walnut Creek is a tributary stream of Animas Creek within Hidalgo County, New Mexico.
Its mouth is located at is confluence with Animas Creek, at an elevation of 5029abbr=offNaNabbr=off in the Animas Valley. Its source is at 31.5589°N -109.0181°W at an elevation of 5800abbr=offNaNabbr=off in the Peloncillo Mountains. It lies south of Herridge Draw and Skeleton Canyon and north of Whitmire Canyon.