diff --git a/pure.zsh b/pure.zsh
index 78e778f..061eb89 100644
--- a/pure.zsh
+++ b/pure.zsh
@@ -232,7 +232,8 @@ prompt_pure_precmd() {
 	psvar[20]=
 	if zstyle -T ":prompt:pure:environment:virtualenv" show; then
 		# Check if a Conda environment is active and display its name.
-		if [[ -n $CONDA_DEFAULT_ENV ]]; then
+		# The 'base' environment is always active and not informative.
+		if [[ -n $CONDA_DEFAULT_ENV ]] && [[ ${CONDA_DEFAULT_ENV:t} != base ]]; then
 			psvar[20]="${${CONDA_DEFAULT_ENV:t}//[$'\t\r\n']}"
 		fi
 		# When VIRTUAL_ENV_DISABLE_PROMPT is empty, it was unset by the user and
diff --git a/tests/virtualenv.zsh b/tests/virtualenv.zsh
index e4b7578..7bbf2f3 100644
--- a/tests/virtualenv.zsh
+++ b/tests/virtualenv.zsh
@@ -38,6 +38,16 @@ main() {
 	prompt_pure_precmd
 	assert_equal "myenv" "$psvar[20]" "conda env should show basename when set to full path"
 
+	# Conda 'base' environment should be hidden.
+	CONDA_DEFAULT_ENV=base
+	prompt_pure_precmd
+	assert_empty "$psvar[20]" "conda base environment should be hidden"
+
+	# Conda 'base' environment with full path should also be hidden.
+	CONDA_DEFAULT_ENV=/path/to/envs/base
+	prompt_pure_precmd
+	assert_empty "$psvar[20]" "conda base environment with full path should be hidden"
+
 	# Conda env should be hidden when virtualenv style is off.
 	zstyle ':prompt:pure:environment:virtualenv' show no
 	prompt_pure_precmd