What are the cities of refuge in the Torah?

Numbers 35:9-34 and Deuteronomy 19:1-13 establish six cities of refuge - three on each side of the Jordan - as a legal safeguard for someone who kills another person unintentionally. Numbers 35:11 instructs: "then you shall select cities to be cities of refuge for you, that the manslayer who kills any person without intent may flee there." The cities named east of the Jordan were Bezer in Reuben, Ramoth in Gilead, and Golan in Bashan; those to the west were Kedesh in Naphtali, Shechem in Ephraim, and Hebron in Judah. The system exists precisely because ancient Israelite law also recognized the "avenger of blood" (goel ha-dam), typically a close relative of the victim, who had the right and social duty to kill a killer in retaliation. Without a safeguard, that custom made no distinction between premeditated murder and a genuine accident - the Torah's example in Deuteronomy 19:5 is a man whose axe head flies off the handle and kills his companion while they are cutting wood together. A person fleeing to a city of refuge had to state his case at the city gate before the elders; if they judged the killing accidental, he was permitted to remain safely within the city, protected from the avenger of blood, but was required to stay there until the death of the sitting high priest (Numbers 35:25), at which point he could return home without further liability. If he left the city's boundaries before then, the avenger of blood could lawfully kill him without guilt. The law drew a firm distinction the avenger's private justice could not: Numbers 35:16-21 lists specific weapons and methods that automatically mark a killing as murder rather than accident, in which case refuge did not apply and the death penalty stood. The system functioned as one of the Torah's earliest formal due-process protections, replacing unrestrained blood vengeance with a hearing, a fixed legal standard for intent, and a defined, if lengthy, path back to ordinary life.