Alborz / Mazandaran · Iran
Chalus Road
Road 59Karaj to Chalus
A 160 km trans-Alborz epic climbing from Tehran’s hinterland through river gorges and ancient Hyrcanian forest before dropping to the Caspian Sea. Opened in 1933, it remains the definitive Iranian mountain drive.
Road 59 begins where Karaj’s sprawl gives way to the Karaj River gorge, shadow-boxing the gorge north past the Amir Kabir Reservoir before ascending to the Kandovan Tunnel piercing the Alborz crest around 2,700 m. Beyond it the climate shifts abruptly: parched rock walls give way to dense, misty Hyrcanian rainforest, one of the world’s last temperate-rainforest refugia, before the descent through Marzanabad to sea level at Chalus.
Scenery
Best seasons
In these collections
In these guides
Chalus Road on the map100.8 mi · point to point
Navigate to the start: Apple Maps · Google Maps
Character
Corners
busiest around mile 16Elevation
under 4%4–8%over 8%24.5 – 2,650.9 mPoints of interest3 stops
- Sang Hachi ValleyViewpoint97 mi in
- Kandovan PassViewpoint50 mi in
- Kushkak VillageViewpoint43 mi in
Hazards
- Rockfall and landslides
- Avalanche risk and winter closures near the Kandovan Tunnel
- Dense fog where dry and humid air masses meet
- Extreme holiday congestion
- Narrow carriageway with blind bends
See the typical season and live conditions for the high passes ›
Sources
“a beautiful road connecting Tehran and Karaj to Chalus on the Caspian Sea. It passes through Alborz Mountains and Hyrcanian forests and offers spectacular scenes.”
Verified route: mapped from real road geometry and fact-checked by a human editor. How roads get checked
Driving the Chalus Road: quick answers
How long does it take to drive the Chalus Road?
How difficult is the Chalus Road to drive?
When is the best time to drive the Chalus Road?
Nearby roads
The closest great drives to Chalus Road.
