Khao Sok National Park in Thailand is a stunning destination featuring the oldest evergreen rainforest in the world, limestone karsts, Cheow Lan Lake, and diverse wildlife. Accessibility varies, with some areas easily reached and others requiring more strenuous hikes or boat trips. Solo exploration is possible, but guided tours are highly recommended for deeper insights into the flora, fauna, and hidden gems, especially for jungle trekking and cave exploration. The dry season (December to April) is generally considered the best time to visit, while the rainy season (May to November) can bring heavy rainfall and potential flooding. Expect to spend approximately $50-$200+ per person depending on the activities chosen (e.g., guided tours, accommodation), and a typical visit lasts 2-4 days to fully experience the park's offerings. Be prepared for humidity, insects, and the need for appropriate footwear and rain gear.