Evidence of hill forts can still be seen in the area.

Hill forts may have become important as centres of trade.

There are many different kinds of hill forts, they were very common.

The district has many hill forts built in the 9-12th centuries.

Seems the legate has turned over another of them hill forts.

"Those hill forts, for instance, that you want Mark to build."

By the 18th century it was thought that hill forts were Roman in origin.

Now, these hill forts you want me to restore.

The tribe generally did not rely on hill forts for their protection.

In the south and east larger earthwork hill forts survive.

There are around 40 known hill forts known in Ireland.

Over such long distance, hill forts were supported by seaforts.

There were fewer hill forts than in the area of the Lusatian culture further west.

This had some bearing on the nature of hill forts in this period.

Many oppida grew from hill forts, but not all of them had an important defensive role.

This culture is characterized by their walled villages and hill forts.

Trundle is one of just four hill forts built in Sussex.

It is reputed to be one of the oldest hill forts in India and the world.

There are many small hill forts and numerous fortified castles.

Many small early hill forts were abandoned, with the larger ones being redeveloped at a later date.

This led to the building of hill forts.

They have left many signs of their presence, such as hill forts and camps (Dryfesdale).

Many oppida grew from hill forts, although by no means did all of them have significant defensive functions.

Krzywicki was one of the first scholars to research Lithuanian hill forts.

It is this tribe who are thought to have constructed several hill forts in and around Sheffield.