The southern route is about five miles (8 km) long.

Can someone tell me how long for the southern route?

He's trying to keep us from using the southern route.

There are basically three: the northern, central and southern routes.

The southern route is the more interesting of the two.

"We'd have earned more in time served if you'd not taken the southern route," he said.

The southern route, the most dangerous, is best left to professional climbers.

Trade usually took the southern route and migrations the northern.

You and the Spanish block both southern routes, so we'll have to.

He had chosen the southern route for the most obvious of reasons.