The hermitage of Vashishtha was in the tirtha called Sthanu on the eastern bank of the Sarasvati. On the opposite bank was the hermitage of the intelligent Vishvamitra.
आश्रमो वै वसिष्ठस्य स्थाणुतीर्थेऽभवन्महान्। पूर्वतः पार्श्वतश्चासीद् विश्वामित्रस्य धीमतः॥