Where is a good place to go gem hunting? USA please...?

There are a few places in Helena, Montana you can go for sapphires.

I've also been to Topaz Mountain in Utah and found a bunch of topaz and even some red beryl and amethyst. I had trouble at first, but then met someone who showed me where to look. I recommend calling the Bureau of Land Managment before you go for some good locations.

Crater Diamonds State Park in Arkansas.

Crater of Diamonds State Park, Murfreesboro Arkansas

The Appalachian mountains of NC are famous for their emeralds, garnets and rubies. Go gem hunting up near Spruce Pines or Silva.

they have a gravel pit in arkansas. Murfreesboro

you pay like 20 dollars and sift thru gravel people have found some big rare diamonds

Successful hunting would have made Branner the first person outside of South Africa to discover diamonds at their original source. Instead, it was John Wesley Huddleston who accidentally saw the first crystals in the summer of 1906, on the surface of his farm near Murfreesboro (Pike County). That 243-acre tract, purchased in July 1905, included over three-fourths of the volcanic formation

Crater of Diamonds State Park in Arkansas! Lots of fun and diamonds too!

http://www.craterofdiamondsstatepark.com/

Mineral, Virginia. Or look for mines in your area that let you buy "Tailings". Many gems are formed by volcanos, stay out of the live ones ;-)

Here in Arkansas we have "the crater of diamond mines". Lots of people have found from tiny to huge diamonds. Here is a web link:

http://www.arkansas.com/things-to-do/diamond-hunti...

there is a national park in Arkansa they found a diamond there this past summer believe it is called crater park not sure very pretty in the summer

Idaho mountians, Northwest area, the rockies, go snow boardin will u're at it