Get there
There are no public transfer option to any of the waterfalls inside the national park from Khao Lak. It is possible to arrange a taxi from agencies, hotels or from this website.
Currently there are some minor/major restrictions to enter certain protected sites in Thailand due to ongoing covid-19 situation. The restrictions varies from park to park. Follow this link for an up to date situation report.
There are no public transfer option to any of the waterfalls inside the national park from Khao Lak. It is possible to arrange a taxi from agencies, hotels or from this website.