I use google earth a lot for hunting. My Garmin GPS can send all my routes and waypoints that I generate while scouting and hunting to it so I can more easily build up a map of how deer are using an area. I also use it pre-season to draw paths for potential routes into an area that I want to scout out.
What I just discovered is that if you right click on your path in the places panel and then click on elevation profile. This gives a 2D profile of the elevation of your chosen path as well as average grade and elevation gained. You can scrub along it and it will give you specific slope grades. You can also manipulate your path and the curve will update. So you can find the ungodly steep spots and try to avoid them. Doesn't tell you everything you need to know but it does give you a decent starting position to go from when you don't know the terrain, especially if you do a lot of bushwacking. Thought I would share this tidbit with you all.
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