What do you think is your best map, and why do you think so? If you have trouble picking the absolute best/favourite, then make a top3 kinda thing. If you 3 maps or less this thread isn't really for you^^
As for me idk what my best map is. None of my maps make me proud, except Angband 3600 ft. 1.2, but it isn't that good of a map if it only appeals to some and not a lot of people.
Echo II - because of the skinny ramps, custom terrain and use of a double-sided expansion.
Flare - because it's a smaller copy of SummerSky's Rubi!
Chimera - because I love the raised jungle/ruins/temple layout and I used the double sided expansion which won me the game in a test game.