diff --git a/biomes.lua b/biomes.lua
index 33a7372..9bb0c97 100644
--- a/biomes.lua
+++ b/biomes.lua
@@ -112,14 +112,21 @@ register_biome(ethereal.mesa, {
 
 register_biome(ethereal.snowy, {
 	name = "coniferous_forest",
-	heat_point = 45, humidity_point = 70, y_min = 5, y_max = 40,
+	heat_point = 45, humidity_point = 70, y_min = 6, y_max = 100,
 	node_top = "default:dirt_with_coniferous_litter", depth_top = 1,
 	node_filler = "default:dirt", depth_filler = 2})
 
+register_biome(ethereal.snowy, {
+	name = "coniferous_forest_dunes",
+	heat_point = 45, humidity_point = 70, y_min = 4, y_max = 5,
+	node_top = "default:sand", depth_top = 1,
+	node_filler = "default:sand", depth_filler = 3,
+	vertical_blend = 1})
+
 register_biome((ethereal.snowy or ethereal.frost), {
 	name = "coniferous_forest_ocean",
-	heat_point = 45, humidity_point = 70, y_min = -192, y_max = 1,
-	node_top = "default:silver_sand", depth_top = 1,
+	heat_point = 45, humidity_point = 70, y_min = -255, y_max = 3,
+	node_top = "default:sand", depth_top = 1,
 	node_filler = "default:sand", depth_filler = 2})
 
 register_biome(ethereal.snowy, {
diff --git a/decor.lua b/decor.lua
index 7a8575f..7433f98 100644
--- a/decor.lua
+++ b/decor.lua
@@ -265,9 +265,14 @@ register_decoration(ethereal.sakura, {
 
 register_decoration(1, {
 	place_on = {"default:sand"},
-	fill_ratio = 0.25,
-	y_min = 3, y_max = 5,
-	biomes = {"coniferous_forest_ocean", "grassland_ocean"},
+	sidelen = 4,
+	noise_params = {
+		offset = -0.7, scale = 4.0, spread = {x = 16, y = 16, z = 16},
+		seed = 513337, octaves = 1, persist = 0.0,
+		flags = "absvalue, eased"
+	},
+	y_min = 3, y_max = 6,
+	biomes = {"coniferous_forest_dunes", "grassland_ocean"},
 	decoration = {"default:marram_grass_1", "default:marram_grass_2",
 			"default:marram_grass_3"}})