Joshua 13:20 Kabbalah

וּבֵ֥ית פְּע֛וֹר וְאַשְׁדּ֥וֹת הַפִּסְגָּ֖ה וּבֵ֥ית הַיְשִׁמֽוֹת׃

and Beth-peor, and the slopes of Pisgah, and Beth-jeshimoth;

Read kabbalistic (mystical) interpretation of Joshua 13:20: and classical mystical sources.