diff --git a/moto/__init__.py b/moto/__init__.py
index fa1fa6ec0..df128c259 100644
--- a/moto/__init__.py
+++ b/moto/__init__.py
@@ -4,6 +4,7 @@ logging.getLogger('boto').setLevel(logging.CRITICAL)
 
 from .autoscaling import mock_autoscaling
 from .cloudformation import mock_cloudformation
+from .cloudwatch import mock_cloudwatch
 from .dynamodb import mock_dynamodb
 from .dynamodb2 import mock_dynamodb2
 from .ec2 import mock_ec2
diff --git a/moto/backends.py b/moto/backends.py
index 6ee602ea5..3a50f5769 100644
--- a/moto/backends.py
+++ b/moto/backends.py
@@ -1,5 +1,6 @@
 from __future__ import unicode_literals
 from moto.autoscaling import autoscaling_backend
+from moto.cloudwatch import cloudwatch_backend
 from moto.dynamodb import dynamodb_backend
 from moto.dynamodb2 import dynamodb_backend2
 from moto.ec2 import ec2_backend
@@ -14,6 +15,7 @@ from moto.route53 import route53_backend
 
 BACKENDS = {
     'autoscaling': autoscaling_backend,
+    'cloudwatch': cloudwatch_backend,
     'dynamodb': dynamodb_backend,
     'dynamodb2': dynamodb_backend2,
     'ec2': ec2_backend,
diff --git a/moto/cloudwatch/__init__.py b/moto/cloudwatch/__init__.py
new file mode 100644
index 000000000..8ea4bf261
--- /dev/null
+++ b/moto/cloudwatch/__init__.py
@@ -0,0 +1,2 @@
+from .models import cloudwatch_backend
+mock_cloudwatch = cloudwatch_backend.decorator
diff --git a/moto/cloudwatch/models.py b/moto/cloudwatch/models.py
new file mode 100644
index 000000000..43be48b36
--- /dev/null
+++ b/moto/cloudwatch/models.py
@@ -0,0 +1,50 @@
+from moto.core import BaseBackend
+
+
+class Dimension(object):
+    def __init__(self, name, value):
+        self.name = name
+        self.value = value
+
+
+class FakeAlarm(object):
+    def __init__(self, name, comparison_operator, evaluation_periods, period,
+                 threshold, statistic, description, dimensions, alarm_actions,
+                 ok_actions, insufficient_data_actions, unit):
+        self.name = name
+        self.comparison_operator = comparison_operator
+        self.evaluation_periods = evaluation_periods
+        self.period = period
+        self.threshold = threshold
+        self.statistic = statistic
+        self.description = description
+        self.dimensions = [Dimension(dimension['name'], dimension['value']) for dimension in dimensions]
+        self.alarm_actions = alarm_actions
+        self.ok_actions = ok_actions
+        self.insufficient_data_actions = insufficient_data_actions
+        self.unit = unit
+
+
+class CloudWatchBackend(BaseBackend):
+
+    def __init__(self):
+        self.alarms = {}
+
+    def put_metric_alarm(self, name, comparison_operator, evaluation_periods,
+                         period, threshold, statistic, description, dimensions,
+                         alarm_actions, ok_actions, insufficient_data_actions, unit):
+        alarm = FakeAlarm(name, comparison_operator, evaluation_periods, period,
+                          threshold, statistic, description, dimensions, alarm_actions,
+                          ok_actions, insufficient_data_actions, unit)
+        self.alarms[name] = alarm
+        return alarm
+
+    def get_all_alarms(self):
+        return self.alarms.values()
+
+    def delete_alarms(self, alarm_names):
+        for alarm_name in alarm_names:
+            self.alarms.pop(alarm_name, None)
+
+
+cloudwatch_backend = CloudWatchBackend()
diff --git a/moto/cloudwatch/responses.py b/moto/cloudwatch/responses.py
new file mode 100644
index 000000000..96fecfee6
--- /dev/null
+++ b/moto/cloudwatch/responses.py
@@ -0,0 +1,129 @@
+from jinja2 import Template
+
+from moto.core.responses import BaseResponse
+from moto.core.utils import camelcase_to_underscores
+from .models import cloudwatch_backend
+
+
+class CloudWatchResponse(BaseResponse):
+
+    def _get_param(self, param_name):
+        return self.querystring.get(param_name, [None])[0]
+
+    def _get_multi_param(self, param_prefix):
+        return [value[0] for key, value in self.querystring.items() if key.startswith(param_prefix)]
+
+    def _get_list_prefix(self, param_prefix):
+        results = []
+        param_index = 1
+        while True:
+            index_prefix = "{}.{}.".format(param_prefix, param_index)
+            new_items = {
+                camelcase_to_underscores(key.replace(index_prefix, "")): value[0]
+                for key, value in self.querystring.items()
+                if key.startswith(index_prefix)
+            }
+            if not new_items:
+                break
+            results.append(new_items)
+            param_index += 1
+        return results
+
+    def put_metric_alarm(self):
+        name = self._get_param('AlarmName')
+        comparison_operator = self._get_param('ComparisonOperator')
+        evaluation_periods = self._get_param('EvaluationPeriods')
+        period = self._get_param('Period')
+        threshold = self._get_param('Threshold')
+        statistic = self._get_param('Statistic')
+        description = self._get_param('AlarmDescription')
+        dimensions = self._get_list_prefix('Dimensions.member')
+        alarm_actions = self._get_multi_param('AlarmActions')
+        ok_actions = self._get_multi_param('OKActions')
+        insufficient_data_actions = self._get_multi_param("InsufficientDataActions")
+        unit = self._get_param('Unit')
+        alarm = cloudwatch_backend.put_metric_alarm(name, comparison_operator,
+                                                    evaluation_periods, period,
+                                                    threshold, statistic,
+                                                    description, dimensions,
+                                                    alarm_actions, ok_actions,
+                                                    insufficient_data_actions,
+                                                    unit)
+        template = Template(PUT_METRIC_ALARM_TEMPLATE)
+        return template.render(alarm=alarm)
+
+    def describe_alarms(self):
+        alarms = cloudwatch_backend.get_all_alarms()
+        template = Template(DESCRIBE_ALARMS_TEMPLATE)
+        return template.render(alarms=alarms)
+
+    def delete_alarms(self):
+        alarm_names = self._get_multi_param('AlarmNames.member')
+        cloudwatch_backend.delete_alarms(alarm_names)
+        template = Template(DELETE_METRIC_ALARMS_TEMPLATE)
+        return template.render()
+
+PUT_METRIC_ALARM_TEMPLATE = """<PutMetricAlarmResponse xmlns="http://monitoring.amazonaws.com/doc/2010-08-01/">
+   <ResponseMetadata>
+      <RequestId>
+         2690d7eb-ed86-11dd-9877-6fad448a8419
+      </RequestId>
+   </ResponseMetadata>
+</PutMetricAlarmResponse>"""
+
+DESCRIBE_ALARMS_TEMPLATE = """<DescribeAlarmsResponse xmlns="http://monitoring.amazonaws.com/doc/2010-08-01/">
+    <MetricAlarms>
+        {% for alarm in alarms %}
+        <member>
+            <ActionsEnabled>{{ alarm.actions_enabled }}</ActionsEnabled>
+            <AlarmActions>
+                {% for action in alarm.alarm_actions %}
+                <member>{{ action }}</member>
+                {% endfor %}
+            </AlarmActions>
+            <AlarmArn>{{ alarm.arn }}</AlarmArn>
+            <AlarmConfigurationUpdatedTimestamp>{{ alarm.configuration_updated_timestamp }}</AlarmConfigurationUpdatedTimestamp>
+            <AlarmDescription>{{ alarm.description }}</AlarmDescription>
+            <AlarmName>{{ alarm.name }}</AlarmName>
+            <ComparisonOperator>{{ alarm.comparison_operator }}</ComparisonOperator>
+            <Dimensions>
+                {% for dimension in alarm.dimensions %}
+                <member>
+                    <Name>{{ dimension.name }}</Name>
+                    <Value>{{ dimension.value }}</Value>
+                </member>
+                {% endfor %}
+            </Dimensions>
+            <EvaluationPeriods>{{ alarm.evaluation_periods }}</EvaluationPeriods>
+            <InsufficientDataActions>
+                {% for action in alarm.insufficient_data_actions %}
+                <member>{{ action }}</member>
+                {% endfor %}
+            </InsufficientDataActions>
+            <MetricName>{{ alarm.metric_name }}</MetricName>
+            <Namespace>{{ alarm.namespace }}</Namespace>
+            <OKActions>
+                {% for action in alarm.ok_actions %}
+                <member>{{ action }}</member>
+                {% endfor %}
+            </OKActions>
+            <Period>{{ alarm.period }}</Period>
+            <StateReason>{{ alarm.state_reason }}</StateReason>
+            <StateReasonData>{{ alarm.state_reason_data }}</StateReasonData>
+            <StateUpdatedTimestamp>{{ alarm.state_updated_timestamp }}</StateUpdatedTimestamp>
+            <StateValue>{{ alarm.state_value }}</StateValue>
+            <Statistic>{{ alarm.statistic }}</Statistic>
+            <Threshold>{{ alarm.threshold }}</Threshold>
+            <Unit>{{ alarm.unit }}</Unit>
+        </member>
+        {% endfor %}
+    </MetricAlarms>
+</DescribeAlarmsResponse>"""
+
+DELETE_METRIC_ALARMS_TEMPLATE = """<DeleteMetricAlarmResponse xmlns="http://monitoring.amazonaws.com/doc/2010-08-01/">
+   <ResponseMetadata>
+      <RequestId>
+         2690d7eb-ed86-11dd-9877-6fad448a8419
+      </RequestId>
+   </ResponseMetadata>
+</DeleteMetricAlarmResponse>"""
diff --git a/moto/cloudwatch/urls.py b/moto/cloudwatch/urls.py
new file mode 100644
index 000000000..2371f09cb
--- /dev/null
+++ b/moto/cloudwatch/urls.py
@@ -0,0 +1,9 @@
+from .responses import CloudWatchResponse
+
+url_bases = [
+    "https?://monitoring.(.+).amazonaws.com",
+]
+
+url_paths = {
+    '{0}/$': CloudWatchResponse().dispatch,
+}
diff --git a/tests/test_cloudwatch/test_cloudwatch.py b/tests/test_cloudwatch/test_cloudwatch.py
new file mode 100644
index 000000000..df3e41762
--- /dev/null
+++ b/tests/test_cloudwatch/test_cloudwatch.py
@@ -0,0 +1,71 @@
+import boto
+from boto.ec2.cloudwatch.alarm import MetricAlarm
+import sure  # noqa
+
+from moto import mock_cloudwatch
+
+
+@mock_cloudwatch
+def test_create_alarm():
+    conn = boto.connect_cloudwatch()
+
+    alarm = MetricAlarm(
+        name='tester',
+        comparison='>=',
+        threshold=2.0,
+        period=60,
+        evaluation_periods=5,
+        statistic='Average',
+        description='A test',
+        dimensions={'InstanceId': ['i-0123456,i-0123457']},
+        alarm_actions=['arn:alarm'],
+        ok_actions=['arn:ok'],
+        insufficient_data_actions=['arn:insufficient'],
+        unit='Seconds',
+    )
+    conn.create_alarm(alarm)
+
+    alarms = conn.describe_alarms()
+    alarms.should.have.length_of(1)
+    alarm = alarms[0]
+    alarm.name.should.equal('tester')
+    alarm.comparison.should.equal('>=')
+    alarm.threshold.should.equal(2.0)
+    alarm.period.should.equal(60)
+    alarm.evaluation_periods.should.equal(5)
+    alarm.statistic.should.equal('Average')
+    alarm.description.should.equal('A test')
+    dict(alarm.dimensions).should.equal({'InstanceId': ['i-0123456,i-0123457']})
+    list(alarm.alarm_actions).should.equal(['arn:alarm'])
+    list(alarm.ok_actions).should.equal(['arn:ok'])
+    list(alarm.insufficient_data_actions).should.equal(['arn:insufficient'])
+    alarm.unit.should.equal('Seconds')
+
+
+@mock_cloudwatch
+def test_delete_alarm():
+    conn = boto.connect_cloudwatch()
+
+    alarm = MetricAlarm(
+        name='tester',
+        comparison='>=',
+        threshold=2.0,
+        period=60,
+        evaluation_periods=5,
+        statistic='Average',
+        description='A test',
+        dimensions={'InstanceId': ['i-0123456,i-0123457']},
+        alarm_actions=['arn:alarm'],
+        ok_actions=['arn:ok'],
+        insufficient_data_actions=['arn:insufficient'],
+        unit='Seconds',
+    )
+    conn.create_alarm(alarm)
+
+    alarms = conn.describe_alarms()
+    alarms.should.have.length_of(1)
+
+    alarms[0].delete()
+
+    alarms = conn.describe_alarms()
+    alarms.should.have.length_of(0)