Beginning January 1, 2020, a $12 fee per campsite, per day, will be applied to all Jeffco Open Space campgrounds. This includes Sourdough Springs and Sawmill Campgrounds at White Ranch Park, as well as Idylease Campground at Reynolds Park. Camping permits must be obtained 24 hours in advance and are only available online. Permits CANNOT be obtained at the park or the Jeffco Open Space Headquarters. Cancellations must be made 72 hours in advance. For more information, please visit our camping reservation page.