diff --git a/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/_aws_attribute_keys.py b/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/_aws_attribute_keys.py
index 855b9c42a..323ccbe56 100644
--- a/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/_aws_attribute_keys.py
+++ b/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/_aws_attribute_keys.py
@@ -23,6 +23,7 @@
 AWS_BEDROCK_KNOWLEDGE_BASE_ID: str = "aws.bedrock.knowledge_base.id"
 AWS_BEDROCK_AGENT_ID: str = "aws.bedrock.agent.id"
 AWS_BEDROCK_GUARDRAIL_ID: str = "aws.bedrock.guardrail.id"
+AWS_BEDROCK_GUARDRAIL_ARN: str = "aws.bedrock.guardrail.arn"
 AWS_SECRETSMANAGER_SECRET_ARN: str = "aws.secretsmanager.secret.arn"
 AWS_SNS_TOPIC_ARN: str = "aws.sns.topic.arn"
 AWS_STEPFUNCTIONS_STATEMACHINE_ARN: str = "aws.stepfunctions.state_machine.arn"
diff --git a/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/_aws_metric_attribute_generator.py b/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/_aws_metric_attribute_generator.py
index 93d13ee9b..4e7eb8be0 100644
--- a/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/_aws_metric_attribute_generator.py
+++ b/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/_aws_metric_attribute_generator.py
@@ -8,6 +8,7 @@
 from amazon.opentelemetry.distro._aws_attribute_keys import (
     AWS_BEDROCK_AGENT_ID,
     AWS_BEDROCK_DATA_SOURCE_ID,
+    AWS_BEDROCK_GUARDRAIL_ARN,
     AWS_BEDROCK_GUARDRAIL_ID,
     AWS_BEDROCK_KNOWLEDGE_BASE_ID,
     AWS_CLOUDFORMATION_PRIMARY_IDENTIFIER,
@@ -423,6 +424,7 @@ def _set_remote_type_and_identifier(span: ReadableSpan, attributes: BoundedAttri
         elif is_key_present(span, AWS_BEDROCK_GUARDRAIL_ID):
             remote_resource_type = _NORMALIZED_BEDROCK_SERVICE_NAME + "::Guardrail"
             remote_resource_identifier = _escape_delimiters(span.attributes.get(AWS_BEDROCK_GUARDRAIL_ID))
+            cloudformation_primary_identifier = _escape_delimiters(span.attributes.get(AWS_BEDROCK_GUARDRAIL_ARN))
         elif is_key_present(span, AWS_BEDROCK_KNOWLEDGE_BASE_ID):
             remote_resource_type = _NORMALIZED_BEDROCK_SERVICE_NAME + "::KnowledgeBase"
             remote_resource_identifier = _escape_delimiters(span.attributes.get(AWS_BEDROCK_KNOWLEDGE_BASE_ID))
diff --git a/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/patches/_bedrock_patches.py b/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/patches/_bedrock_patches.py
index edc1b19ec..581ca36f4 100644
--- a/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/patches/_bedrock_patches.py
+++ b/aws-opentelemetry-distro/src/amazon/opentelemetry/distro/patches/_bedrock_patches.py
@@ -7,6 +7,7 @@
 from amazon.opentelemetry.distro._aws_attribute_keys import (
     AWS_BEDROCK_AGENT_ID,
     AWS_BEDROCK_DATA_SOURCE_ID,
+    AWS_BEDROCK_GUARDRAIL_ARN,
     AWS_BEDROCK_GUARDRAIL_ID,
     AWS_BEDROCK_KNOWLEDGE_BASE_ID,
 )
@@ -23,6 +24,7 @@
 _KNOWLEDGE_BASE_ID: str = "knowledgeBaseId"
 _DATA_SOURCE_ID: str = "dataSourceId"
 _GUARDRAIL_ID: str = "guardrailId"
+_GUARDRAIL_ARN: str = "guardrailArn"
 _MODEL_ID: str = "modelId"
 _AWS_BEDROCK_SYSTEM: str = "aws_bedrock"
 
@@ -217,6 +219,13 @@ def on_success(self, span: Span, result: _BotoResultT):
                 guardrail_id,
             )
 
+        guardrail_arn = result.get(_GUARDRAIL_ARN)
+        if guardrail_arn:
+            span.set_attribute(
+                AWS_BEDROCK_GUARDRAIL_ARN,
+                guardrail_arn,
+            )
+
 
 class _BedrockRuntimeExtension(_AwsSdkExtension):
     """