I have found a Double ravine that looks like nether on earth here you go for seed x:-62.61368992964597 y:65.62000000476837 z:221.69999998807907
f:0
Seed: 5731203286432904076
You'll need to dig down a bit and for safety use creative . cheers
And it's on earth not in nether
f:0
Seed: 5731203286432904076
You'll need to dig down a bit and for safety use creative . cheers
And it's on earth not in nether
Pics!