The main purpose of this study is the estimating of recreation carrying capacity of Drabad nature and wildlife museum as visitor management tool for museum management to achieve its aim, connects people with wildlife to inspire responsibility and respect for the natural world we share. Based on the recreation carrying capacity, this study attempts to assess the optimum number of people that should be allowed without jeopardizing the surrounding ecological, social and cultural environments. Results showed that the carrying capacity should be 1605 visitors/day. Because the maximum number of daily visitors of Darabad museum during three years is less than calculated recreation carrying capacity, this study suggests that Darabad museum not only has an appropriate condition but also can support more visitors.