pɹˈɛstɪstˌaɪnsvætnɪt ɪz ɐ lˈeɪk ɪn lˈʌstɚ mjuːnˈɪsɪpˈælᵻɾi ɪn vˈɛslənd kˈaʊnti, nˈoːɹweɪ, wɪð ɐ smˈɔːl pˈɑːɹt ʌvðə lˈeɪk kɹˈɔsɪŋ ˌoʊvɚɹ ˌɪntʊ ðə nˈeɪbɚɹɪŋ lˈɑːm mjuːnˈɪsɪpˈælᵻɾi ɪn ˈɪnləndɪt kˈaʊnti.
Prestesteinsvatnet () is a lake in Luster Municipality in Vestland county, Norway, with a small part of the lake crossing over into the neighboring Lom Municipality in Innlandet county.