"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." How long you plan on being out there dictates much of what and how much you'll need to pack. Day hikes ...

At 36L, this hiking backpack is perfect for a longer day hike or even an overnight backpacking trip, and for a bag that looks straightforward, it seems to have a lot of the right bells and whistles.

First, you’ll need to understand the dynamics of your particular tour (more on the types below). I’ve also included a rundown ...