"Since the park fees were raised, we've noticed a big drop in the number of vehicles entering our area."

Rates are $20 a person a night, plus park fees, most commonly $20 a week per car.

They include meals, park fees and professional guides, unless otherwise noted.

Entry is the standard national park fee of $10/4 per car/bus passenger.

It is available for groups and special events at $99 a person, plus tax and the park fee.

An 18-day Rongai trip is $3,790 a person plus $540 park fees.

A 14-day trip from Machame is $3,190 plus $600 in park fees.

In 2006 car park fees contributed £78 million towards hospital budgets.

The national park fee applies if you visit any of these islands.

Click here for all individual park fees by region.