The inaccessible terrain and internal disturbances has made rapid industrialisation difficult in the region.

Because the line runs through relatively inaccessible terrain, an unusually broad right-of-way was cleared, at considerable expense, to ensure tower integrity.

The region's poverty, special history, remoteness and inaccessible terrain all contributed to this fear.

The blaze was difficult to fight because of inaccessible terrain and erratic winds, forcing firefighters to be reactive instead of proactive.

There are few serious threats to the species because it occurs on largely inaccessible terrain.