• Oklahoma Chapter of the Sierra Club
• Oklahoma City Outdoor Network
• Tulsa Outdoor Club
• Oklahoma Trail Links
• Oklahoma Lakes
• Ultimate Fishing Notebook for Oklahoma
• The Oklahoma Adventure Guide (Magazine plus locator maps and other info)
• Oklahoma Backcountry (Story Site)
• Jim Foreman's Story Site
• Mountain Bike Trails in Oklahoma
• Oklahoma Earthbike Fellowship (Mountain Biking)
• The Oklahoma Bicycle Society
• Birds in Oklahoma
• Oklahoma Wildlife Federation
• Here's a site with a bunch of links to Oklahoma Web Pages.
• The Omniplex (it's just cool! Plus, it houses the Photography Museum)
• OKC Rocks - A great indoor climbing gym
• Wichita Mountains Climbers Coalition
• Adventure Sports Promotions
• Oklahoma Photography
• Trailchasers - Off-Road (not off-trail) Vehicles
• http://www.okoffroad.com/ - Off-Road (not off-trail) Vehicles
• Some info on Robber's Cave
• Some info on Beaver's Bend
• Cross Timbers Tree Preservation
• Great Salt Plains region, including the State Park and the Federal Wildlife Refuge.
• Jackie and Alan Ellis - website with pics, stories, etc. 
• www.backpackerlinks.com
• www.trailhankie.com 
• http://www.collegefootballhistory.com/
• http://www.outdoorsok.com/
• http://www.hikingforums.net/

   

National Links:

• Sierra Nomad Photography - maker of the Yosemite DVD
• National Site of the Sierra Club
• American Hiking Society
• Leave No Trace
• Homepage of American Trails
• The Nature Conservancy
• Great Outdoor Recreation Pages - A commercial site, but tons of good free info there as well.
• Backpacker Magazine
• LinkSelect Camping/Outdoors Sportsman Directory
• Natural Born Hikers
• http://www.wildernesstrip.com/
• http://www.creekbed.com (story site)
• Worldwide trail database
• http://www.wildernessvolunteers.org/

• Oklahoma Tourism Dept.
• Oklahoma Travel Guide
• Oklahoma Recreational Trails Program (including the Oklahoma Trails Newsletter)
• Oklahoma Parks Guide
• Oklahoma City Visitor's Center
• Info on hunting and fishing in Oklahoma
• Oklahoma Secretary of the Environment
• Southwest Region, National Forest Service.
• Wichita Mountains Wildlife Refuge
• Ozark National Forest
• Ouachita National Forest
• Forest Fire Updates for East Oklahoma and the Southeast US
• Forest Fire Updates for West Oklahoma, West Texas, New Mexico and Arizona 

On-Line Topos:

• http://www.topozone.com
• http://navigator2.maptech.com/homepage/index.cfm 
• http://www.landnetusa.com/