Passage 8.54.4
ἡ δὲ εὐθεῖα ἡ ἐπὶ Θυρέαν τε καὶ κώμας τὰς ἐν τῇ Θυρεάτιδι ἐκ Τεγέας παρείχετο ἐς συγγραφὴν Ὀρέστου τοῦ Ἀγαμέμνονος μνῆμα, καὶ ὑφελέσθαι Σπαρτιάτην τὰ ὀστᾶ αὐτόθεν οἱ Τεγεᾶται λέγουσι· καθʼ ἡμᾶς δὲ οὐκέτι πυλῶν ἐντὸς ἐγίνετο ὁ τάφος. ῥεῖ δὲ καὶ Γαράτης ποταμὸς κατὰ τὴν ὁδόν· διαβάντι δὲ τὸν Γαράτην καὶ προελθόντι σταδίους δέκα Πανός ἐστιν ἱερὸν καὶ πρὸς αὐτῷ δρῦς, ἱερὰ καὶ αὕτη τοῦ Πανός.
The straight road toward Thyrea and the villages in the Thyreatis from Tegea led to what is commonly recorded as the tomb of Orestes, the son of Agamemnon; and the Tegeans say that the Spartans removed his bones from there. In my time, however, the tomb was no longer within the city gates. Along the road flows also the river Garates; after crossing the Garates and proceeding forward ten stadia, there is a sanctuary of Pan, and next to it an oak-tree, itself likewise sacred to Pan.