http://fallout.wikia.com/wiki/Deathclaw_Promontory
I just found this location for the first time. I think its my favorite place in the game. For anybody who hasn't been there, it has some nice loot. There are two dead prosepectors, one wearing a full t51-b power armor suit, and the other wearings remnants power armor minus the helmet. There are also two guns next to them, the multiplas rifle and tri-beam laser rifle. Be warned, as the wiki says there are a lot of deathclaws here, including, in my experience, two mother and an alpha male.

I don't know if this place is common knowledge, but I figured I'd mention it just in case.

I was thinking of going in there when I get the Anti-Material Rifle. The Promontory isn't the toughest Deathclaw place Dead Wind Cavern takes the cake.

Haven't been there yet, sounds fun.

Yea went in there, died a lot, came away, will go back one day

Just go up and get the alien blaster. Deathclaw is no match for thr blaster

I hate that gun, plus I didn't go with the wild wasteland trait. I really wish they would stop using aliens. Anyway, the anti-material rifle made this place a cake walk.

I went through yesterday and cleared it out but I only found a Multiplas and a laser rifle, no prospectors... Weird huh? But today I put a few mods on and they appeared when I loaded my save file.