diff --git a/.github/workflows/alpha-e2e-scale-trigger.yaml b/.github/workflows/alpha-e2e-scale-trigger.yaml
index 20ebea320896..f25dc7ca29cb 100644
--- a/.github/workflows/alpha-e2e-scale-trigger.yaml
+++ b/.github/workflows/alpha-e2e-scale-trigger.yaml
@@ -6,6 +6,22 @@ on:
     workflows: [ApprovalComment]
     types: [completed]
   workflow_dispatch:
+    inputs:
+      region:
+        required: true
+        default: 'us-west-2'
+        type: choice
+        options:
+          - "us-east-1"
+          - "us-west-2"
+      cleanup:
+        required: true
+        default: true
+        type: boolean
+      enable_metrics:
+        required: true
+        default: false
+        type: boolean
 jobs:
   resolve:
     if: (github.repository == 'aws/karpenter' && (github.event_name != 'workflow_run' || github.event.workflow_run.conclusion == 'success')) || github.event_name == 'workflow_dispatch'
@@ -19,8 +35,9 @@ jobs:
     with:
       suite: Alpha/Scale
       git_ref: ${{ needs.resolve.outputs.GIT_REF }}
-      region: "us-west-2"
-      enable_metrics: true
+      region: ${{ inputs.region || 'us-west-2' }}
+      enable_metrics: ${{ inputs.enable_metrics || true }}
       workflow_trigger: "alpha-scale"
+      cleanup: ${{ inputs.cleanup || true }}
     secrets:
       SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}