The Barra Honda National Park ranger station is open for visitor attention from 8 am to dusk, and has potable water and restrooms. (costaricajourneys.com)
Students study environmental themes in their coursework (e.g. river tours with national park rangers, annual Audubon retreat) (academicarts.org)
Katmai National Park Rangers provide an initial briefing upon arrival, and are available throughout the Park to answer questions during this self - guided portion of the tour. (alaskacollection.com)