First you need to Download the Camel distribution; or you could grab the Source and try Building it yourself.
Then come back here and you might want to read the following documentation before continuing:
To get started with Camel:
When your application is closing you may wish to stop the context
If you use Spring as a Dependency Injection container then please refer to the Camel Spring documentation.
We strongly suggest that you brew a cup of coffee or tea and take the 30 minutes to read one or more of the following resources:
Camel in Action, Chapter 1 (direct link) free chapter 1 of the Camel in Action book. Highly recommended to read to learn what Camel is and the basic Camel concepts. This is a free chapter you can download directly as a pdf (about 20 pages) and introduces you to Camel. We have been told by experience Camel end users they wished this chapter was available to them when they started learning Camel.
Open Source Integration with Apache Camel and How Fuse IDE Can Help by Jonathan Anstey. Updated article of the Apache Camel: Integration Nirvana. Great article to learn what Camel is and has a good use case example.
Several of the vendors on the Commercial Camel Offerings page also offer various tutorials, webinars, examples, etc…. that may be useful.
Articles is a link collection with articles, blogs, podcasts, presentations and the likes about Camel done by people from the community.