When looking for synonyms for "state park," there are several options to choose from. "National park" is a term used to describe protected areas of natural beauty or heritage sites that are owned and managed by the federal government. "Wilderness area" refers to a region that is protected by the government to preserve its natural beauty and ecosystem. "Nature reserve" is another term that can be used to describe a protected natural area that is managed by a government agency. "Preserve" and "conservation area" are also synonyms for state park, and can refer to areas that are set aside for preserving natural and cultural resources. Ultimately, whether you're looking to go hiking, birdwatching, or simply enjoy the natural surroundings, there are many different types of state parks and protected areas to choose from.