Groundcloth.org is a server available for hosting outdoors related sites. This is free for nonprofits, and now with WordPress MU capable easy hosting for hikers, campers, parks, campgrounds, etc.
Please make use of this service, and if you have any questions please utilize the FAQ section. Your questions will be answered promptly and certainly I will provide any help that I can.
To create a new site using WordPress, a flexible application that is often used for blogging but also works great as a CMS, click here.