diff --git a/CHANGES.txt b/CHANGES.txt
index f5c4935b4d..297fad4380 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 3.0.20
+ * GC logs are also put under $CASSANDRA_LOG_DIR (CASSANDRA-14306)
  * Fix sstabledump's position key value when partitions have multiple rows (CASSANDRA-14721)
  * Avoid over-scanning data directories in LogFile.verify() (CASSANDRA-15364)
  * Bump generations and document changes to system_distributed and system_traces in 3.0, 3.11
diff --git a/conf/cassandra-env.sh b/conf/cassandra-env.sh
index 43f4566582..aa92eacc8d 100644
--- a/conf/cassandra-env.sh
+++ b/conf/cassandra-env.sh
@@ -121,8 +121,13 @@ case "$jvm" in
         ;;
 esac
 
+# Sets the path where logback and GC logs are written.
+if [ "x$CASSANDRA_LOG_DIR" = "x" ] ; then
+    CASSANDRA_LOG_DIR="$CASSANDRA_HOME/logs"
+fi
+
 #GC log path has to be defined here because it needs to access CASSANDRA_HOME
-JVM_OPTS="$JVM_OPTS -Xloggc:${CASSANDRA_HOME}/logs/gc.log"
+JVM_OPTS="$JVM_OPTS -Xloggc:${CASSANDRA_LOG_DIR}/gc.log"
 
 # Here we create the arguments that will get passed to the jvm when
 # starting cassandra.