diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
new file mode 100644
index 000000000..b672f0211
--- /dev/null
+++ b/.github/workflows/testing.yml
@@ -0,0 +1,59 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python application
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Set up Python 3.12
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.12"
+    - name: Checkout clawpack
+      uses: actions/checkout@v4.1.5
+      with:
+        repository: climateimpactlab/clawpack
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install gfortran liblapack-pic liblapack-dev libnetcdf-dev libnetcdff-dev
+        python -m pip install --upgrade pip
+        pip install flake8 pytest
+    - name: Setup clawpack super repository
+      run: |
+        git submodule init
+        git submodule update
+        pip install --user -e .
+    - name: Setup geoclaw
+      run: |
+        cd geoclaw
+        if [[ "${{ github.event_name }}" == "pull_request" ]]; then
+          git fetch origin pull/${{ github.event.pull_request.number }}/merge:PR
+          git checkout PR
+        else
+          git checkout ${{ github.ref_name }}
+        fi
+    - name: Lint with flake8
+      run: |
+        cd geoclaw
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude old_dtopotools.py
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with pytest
+      run: |
+        cd geoclaw
+        pytest