MOSCOW — A Russian court docket on Saturday rejected an attraction by the opposition leader Aleksei A. Navalny, clearing the best way for his doable transfer to the country’s penal colony system.

The ruling was anticipated. Russian officers had signaled since earlier than Mr. Navalny returned from Germany, the place he was being handled for a near-lethal poisoning with a nerve agent final yr, that his homecoming would land him in a jail.

Underneath Russia’s prison justice system, transferring an inmate to the penal colonies is a prolonged means of journey on a specialised prisoner prepare wagon. It may possibly start at any level after a court docket rejects the primary attraction of a sentencing, which occurred on Saturday.

The journey can take weeks, with stops at switch prisons, throughout which inmates are usually not allowed to contact attorneys or relations. Their vacation spot typically stays unknown till they arrive.

Andrew E. Kramer contributed reporting.