Mahabharata 3.81.164

यत्र सारस्वतो राजन्सोऽङ्गिरास्तपसो निधिःतस्मिंस्तीर्थे नरः स्नात्वा वाजपेयफलं लभेत्सारस्वतीं गतिं चैव लभते नात्र संशयः

yatra sārasvato rājanso'ṅgirāstapaso nidhiḥtasmiṃstīrthe naraḥ snātvā vājapeyaphalaṃ labhetsārasvatīṃ gatiṃ caiva labhate nātra saṃśayaḥ

Our plain-language meaning of this verse is waiting for scholar review.