Num 14:25

וְהָֽעֲמָלֵקִ֥י וְהַֽכְּנַעֲנִ֖י יוֹשֵׁ֣ב בָּעֵ֑מֶק מָחָ֗ר פְּנ֨וּ וּסְע֥וּ לָכֶ֛ם הַמִּדְבָּ֖ר דֶּ֥רֶךְ יַם־סֽוּף׃ פ

Now since the Amalekites and Canaanites are living in the valleys, turn back tomorrow and head for the wilderness along the route to the Red Sea.”