Number 1 … Leone Hill, or the triangle as you’re calling it, is an easy one - Sierra Alhamilla, … don’t worry about all the place names.
The Oasys western town (El Paso) maybe closed on weekdays at this time of year … but though it is a must see, I found it a little disappointing, depressing even that it’s been ‘renovated’ without any sense of what it was in it’s 1960s heyday. Anyway … you know how to find that? … there’s a road that runs past the film sets and up into the hills, for maybe half a mile … it’s lovely walk, might take an hour at a leisurely pace … you can drive part of the way if you don’t feel up to it … but you can’t miss ‘The Triangle’ once you’re out of sight from the theme park. You’ll be passing the remains of the exploded bridge from ‘Fistful of Dynamite’ … and you just keep going until you hit that iconic view.
Number 2 on your list is a little trickier - I was taken by a friend and I know it’s on the coast road going out of Almeria city towards Cabo de Gata … it’s on a private farm, but the guys working there didn’t seem to mind at all that we were visiting. Don’t expect it to look too spectacular - most of the building has collapsed … the doorway where LVC stands is gone, but when I was there the interior where ‘Angels Eyes’ and Stevens’ have their stew is still standing, and there were even nails on the wall where some of the set dressing had been set up … BTW, I think it’s used for goats and is pretty smelly! 
Perhaps the Western Locations Spain site has some info, or the other fellows here maybe able to help,
Your ‘Beyond the Law’ scenes are also fairly easy … where Lee hides the loot is in the Las Salinillas area … I need to dig out photos from an external HD to help illustrate.
His view from horseback is on the path beside the motorway near the petrol station … you will have to walk or drive past this to get to the Tuco / Blondie overhang, mentioned earlier.
The picture you have of Clint on horseback is on a hill overlooking the western theme town … the view today is of a large car park for folks visiting the sets. Indio’s view is a place I never got to see, even after 7 trips … that gives you an idea how much there is to see. Can’t remember the name of that rambla off hand, but it’s accessible from the motorway, about a quarter mile before you see the petrol station.
Can’t remember how to get to the shark fin area … but it’s not far from the petrol station either, which is called Alfaro, named after the huge dominating mountain which you can’t miss 
Thanks for the help everyone!
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See you’ve already got Cortijo de campillo…the first scene of GBU was filmed at La Sartenilla. There’s a video on YouTube called ‘Camino hacia la sartenilla’ which shows you the route to get there.
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