Related Clues:

• It flows into the Caspian
• River past Orsk
• River in the Russian Federation
• Caspian tributary
• Eurasian river and range
• River or mountains
• Eurasian backbone
• Ufa's mountains
• Asian chain
• River leading to the Caspian
• Kazakhstan river
• River through Russia
• Impressive divide
• Europe-Asia divide
• Europe/Asia divider