According to the National Parks Service, the annual number of recreational "visitations" to Big Bend has been on the order of 300,000 since 1991. In 2013 the NPS reports 316,953 such visitations.
Note that this is the number of times a person has entered the park for a recreational visit. If one person visits the park ten times in a calendar year, that counts as ten visitations.
300,000
45,000 a year
Around 400,000 visitors visit Hever Castle every year.
3 million visitors a year
It had 4,388.386 visitors in 2010.
Around 1.5 million.
The number of visitors is estimated at 150,000 per year.
Around 350,000 visitors visit Carding Mill Valley each year.
Porthcurno attracts approximately 250,000 visitors each year.
More than 800,000 visitors a year
Kakadu is a national park that is located in northern Australia. There are about 200,000 people that visit this park each year.
Dorset attracts around 30 million visitors each year.