休閒遊憩環境之提供主要以符合使用者之需求而設，有鑑於對「參與者需求」的掌握，將是影響其成功與否的關鍵所在，利用區隔市場，了解不同遊客的遊憩的需求，是規劃者最基本的課題。因此，本研究目的在：了解曾文水庫風景特定區的遊客參與行為、個人特性、遊憩需求及其之間關係。本研究在曾文水庫風景特定區各景點採便利抽樣方式進行訪談，最後共得有效問卷330份。研究結果發現：（一）曾文水庫風景特定區的遊客之遊憩需求相當高。（二）遊客之遊憩需求，並不因遊客參與行為不同，而有所差異。（三）遊客之遊憩需求，並不因遊客個人特性不同，而有所差異。本研究認為，不管遊客參與行為及個人特性如何，其遊憩需求具有一致性，最後並提出具體建議，作為曾文水庫風景特定區有關單位未來規劃管理之參考。

Recreation environment which meets participants’ demand leads to the success of a scenic area. Market segmentation is one of the basic planning concept to understand different tourists’ recreation demand. The objective of this research is to explore the relationship between tourists’ participation behavior, demographics and recreation demand of Tsengwen Reservoir Scenic Area. The survey was conducted by convenience sampling and 330 valid questionnaires were collected. The research findings are: (1) Tourists’ recreation demand is high at Tsengwen Reservoir Scenic Area. (2) In spite of different participation behavior, the tourists have consistent high recreation demand. (3) In spite of different demographics, the tourists have consistent high recreation demand. Based on the above findings, the recreation demand of all the tourists at Tsengwen Reservoir Scenic Area should be met and this study develops various managerial strategies and suggestions to related government agencies.