Simplify the following text for a Grade 10 native English-speaking person.
Original: There is no clear demarcation to the south , although the official boundary in the Cape York Peninsula Heritage Act 2007 of Queensland runs along approximately 16 Â S latitude .
Simplified: There is no clear border to the south , but the boundary in the Cape York Peninsula Heritage Act 2007 of Queensland follows the 16 Â S latitude ) .