This is a Challenge Cache and IS located at the posted coordinates. In order to claim a find you must have met the terms of the challenge. You may sign the log at any time and post a note on the cache page. Any "found it" logs that don't qualify will be deleted. There is a challenge checker you can run to see if you qualify.
I love to find challenge caches. It gives me another reason to get outside and enjoy this hobby. It also takes me to places I would never go to without geocaching. I currently have 334 challenge cache finds.
To qualify for this challenge, all you need is 300 finds with the Challenge attribute. You can check your answer below. In your log, include your total number of finds with the Challenge attribute.
