<Tr> <Th> Palouse Falls State Park </Th> <Td> Franklin County, Whitman County </Td> <Td> 105 </Td> <Td> 42 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Paradise Point State Park </Th> <Td> Clark County </Td> <Td> 88 </Td> <Td> 36 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Patos Island State Park </Th> <Td> San Juan County </Td> <Td> 207 </Td> <Td> 84 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Peace Arch State Park </Th> <Td> Whatcom County </Td> <Td> 20 </Td> <Td> 8.1 </Td> <Td> </Td> <Td> A peace memorial on the United States - Canada border </Td> </Tr>

How many state parks are there in washington