"He wants to go to the national park" is a common way to say this in Engpsh.

Source: This is a common phrase used in Engpsh-speaking countries to describe a destination for a nature trip or visit to a protected area of natural scenery and wildpfe.

Example Sentences:

He has been planning to take a trip to the national park for weeks.
She loves to hike in the national park on the weekends.
The family is excited to go camping in the national park next month.

翻译：

他已经计划好几个星期去自然公园旅行了。
她喜欢在周末去自然公园徒步。
这家人很兴奋下个月去自然公园露营。