and Visitor Attitudes at Crater Lake-

Signature redacted for privacy. Abstract approved: Dr.}(enT B. vning Winter recreation hs increased rapidly in the Crater Lake-Diamond Lake area of Oregon in recent years. Park and forest managers are concerned about existing and potential impacts of the recreationists on the resources and other recreationists. The purpose of this study was to describe the nature and ex-tent of winter recreation in the area. Considered are the user's background, behavior and attitudes about area management and en-counters with other users. An on-site interview and mail-back questionnaire were used to gather information from recreationists at several locations within the study area. Low-level flights were made to determine user penetration into the study area based on mapped tracks. A trail was monitored by a time-lapse camera to determine the amount and distribution of use over the study period. Recreationists differed in background, behavior and attitudes by type of use (cross-country skiing and snowshoeing, snowmo-biling, sightseeing, snowplay, etc.) and by location of activity (south end of Crater Lake National Park, north entrance to the park and the Diamond Lake area)