If you want to download a free web icon set, then App Icon Design – Outdoor Elements is perfect for your project. The featured resource of the day is a collection of Free App Icon Design – Outdoor Elements that you could use for your apps or web projects.
Download free icon download file and use it as you wish to use it. The credit for this great resource goes to Dribbble.com.
If you want more icon, you can check the Free Icons.