diff --git a/App.tsx b/App.tsx
index 8955ba7f..b8e152d3 100644
--- a/App.tsx
+++ b/App.tsx
@@ -424,11 +424,15 @@ const BaseApp: React.FunctionComponent<{
     filter: (url: string) => url.includes('/observations/'), // Only handle observation links
     config: {
       screens: {
-        Observations: {
+        MainStack: {
           path: 'observations/#/view/observations',
           screens: {
-            observationsList: '',
-            observation: ':id',
+            bottomTabs: {
+              screens: {
+                Observations: '',
+              },
+            },
+            observationModal: ':id',
           },
         },
       },
diff --git a/components/observations/ObservationDetailView.tsx b/components/observations/ObservationDetailView.tsx
index 05de6649..4ae96bb6 100644
--- a/components/observations/ObservationDetailView.tsx
+++ b/components/observations/ObservationDetailView.tsx
@@ -1,5 +1,5 @@
 import React, {useCallback, useMemo} from 'react';
-import {Image, ScrollView, StyleSheet} from 'react-native';
+import {Image, ScrollView} from 'react-native';
 
 import Ionicons from '@expo/vector-icons/Ionicons';
 import {useFocusEffect, useNavigation} from '@react-navigation/native';
@@ -46,7 +46,6 @@ import {
   FormatSnowAvailableForTransport,
   FormatWindLoading,
   InstabilityDistribution,
-  MapLayerFeature,
   Observation,
   Position,
   SnowAvailableForTransport,
@@ -56,6 +55,7 @@ import {
 } from 'types/nationalAvalancheCenter';
 import {observationDateToLocalShortDateString, utcDateToLocalShortDateString} from 'utils/date';
 
+// TODO: Remove NWACObs issue:1152
 export const NWACObservationDetailView: React.FunctionComponent<{
   id: string;
 }> = ({id}) => {
@@ -66,13 +66,11 @@ export const NWACObservationDetailView: React.FunctionComponent<{
   const capabilitiesResult = useAvalancheCenterCapabilities();
   const capabilities = capabilitiesResult.data;
 
-  const mapFeatures = useMemo(() => mapFeaturesForCenter(mapLayer, observation?.center_id.toUpperCase() as AvalancheCenterID), [mapLayer, observation]);
-
   if (incompleteQueryState(observationResult, mapResult, capabilitiesResult) || !observation || !mapLayer || !capabilities) {
     return <QueryState results={[observationResult, mapResult, capabilitiesResult]} />;
   }
 
-  return <ObservationCard observation={observation} mapLayerFeatures={mapFeatures} capabilities={capabilities} />;
+  return <ObservationCard observation={observation} capabilities={capabilities} />;
 };
 
 export const ObservationDetailView: React.FunctionComponent<{
@@ -86,12 +84,23 @@ export const ObservationDetailView: React.FunctionComponent<{
   const capabilities = capabilitiesResult.data;
 
   const mapFeatures = useMemo(() => mapFeaturesForCenter(mapLayer, observation?.center_id.toUpperCase() as AvalancheCenterID), [mapLayer, observation?.center_id]);
+  const navigation = useNavigation<MainStackNavigationProps>();
+  const zone_name = useMemo(
+    () => observation?.location_point?.lat && observation?.location_point?.lng && matchesZone(mapFeatures ?? [], observation.location_point?.lat, observation.location_point?.lng),
+    [observation, mapFeatures],
+  );
+
+  React.useEffect(() => {
+    if (zone_name) {
+      navigation.setOptions({title: `${zone_name} Observation`});
+    }
+  }, [navigation, zone_name]);
 
   if (incompleteQueryState(observationResult, mapResult, capabilitiesResult) || !observation || !mapLayer || !capabilities || !capabilities) {
     return <QueryState results={[observationResult, mapResult, capabilitiesResult]} />;
   }
 
-  return <ObservationCard observation={observation} mapLayerFeatures={mapFeatures} capabilities={capabilities} />;
+  return <ObservationCard observation={observation} capabilities={capabilities} />;
 };
 
 const dataTableFlex = [1, 1];
@@ -177,18 +186,10 @@ export const withUnits = (value: string | number | null | undefined, units: stri
 
 export const ObservationCard: React.FunctionComponent<{
   observation: Observation;
-  mapLayerFeatures: MapLayerFeature[];
   capabilities: AllAvalancheCenterCapabilities;
-}> = ({observation, mapLayerFeatures, capabilities}) => {
-  const navigation = useNavigation<MainStackNavigationProps>();
+}> = ({observation, capabilities}) => {
   const {avalanches_observed, avalanches_triggered, avalanches_caught} = observation.instability;
-  const zone_name =
-    observation.location_point?.lat && observation.location_point?.lng && matchesZone(mapLayerFeatures, observation.location_point?.lat, observation.location_point?.lng);
-  React.useEffect(() => {
-    if (zone_name) {
-      navigation.setOptions({title: `${zone_name} Observation`});
-    }
-  }, [navigation, zone_name]);
+
   const postHog = usePostHog();
 
   const recordAnalytics = useCallback(() => {
@@ -208,7 +209,7 @@ export const ObservationCard: React.FunctionComponent<{
   const initialCameraBounds: CameraBounds = {ne: nePosition, sw: swPosition};
 
   return (
-    <View style={{...StyleSheet.absoluteFillObject, backgroundColor: 'white'}}>
+    <View style={{flex: 1, backgroundColor: 'white'}}>
       <VStack space={8} backgroundColor="white" style={{height: '100%', width: '100%'}}>
         <ScrollView style={{height: '100%', width: '100%'}}>
           <VStack space={8} backgroundColor={colorLookup('primary.background')} paddingBottom={insets.bottom}>
diff --git a/components/observations/ObservationDetailViewModal.tsx b/components/observations/ObservationDetailViewModal.tsx
new file mode 100644
index 00000000..ba3f8547
--- /dev/null
+++ b/components/observations/ObservationDetailViewModal.tsx
@@ -0,0 +1,76 @@
+import Ionicons from '@expo/vector-icons/Ionicons';
+import {useNavigation} from '@react-navigation/native';
+import {AvalancheCenterLogo} from 'components/AvalancheCenterLogo';
+import {incompleteQueryState, QueryState} from 'components/content/QueryState';
+import {HStack, View} from 'components/core';
+import {ObservationCard} from 'components/observations/ObservationDetailView';
+import {matchesZone} from 'components/observations/ObservationsFilterForm';
+import {Title3Black} from 'components/text';
+import {useAllMapLayers} from 'hooks/useAllMapLayers';
+import {useAvalancheCenterCapabilities} from 'hooks/useAvalancheCenterCapabilities';
+import {useNACObservation} from 'hooks/useNACObservation';
+import React, {useCallback, useMemo} from 'react';
+import {MainStackNavigationProps} from 'routes';
+import {colorLookup} from 'theme';
+import {AvalancheCenterID, mapFeaturesForCenter} from 'types/nationalAvalancheCenter';
+
+export const ObservationDetailModalView: React.FunctionComponent<{
+  id: string;
+}> = ({id}) => {
+  const observationResult = useNACObservation(id);
+  const observation = observationResult.data;
+  const mapResult = useAllMapLayers();
+  const mapLayer = mapResult.data;
+  const capabilitiesResult = useAvalancheCenterCapabilities();
+  const capabilities = capabilitiesResult.data;
+
+  const mapFeatures = useMemo(() => mapFeaturesForCenter(mapLayer, observation?.center_id.toUpperCase() as AvalancheCenterID), [mapLayer, observation?.center_id]);
+  const navigation = useNavigation<MainStackNavigationProps>();
+  const zone_name = useMemo(
+    () => observation?.location_point?.lat && observation?.location_point?.lng && matchesZone(mapFeatures ?? [], observation.location_point?.lat, observation.location_point?.lng),
+    [observation, mapFeatures],
+  );
+
+  const closeModal = useCallback(() => navigation.goBack(), [navigation]);
+
+  if (incompleteQueryState(observationResult, mapResult, capabilitiesResult) || !observation || !mapLayer || !capabilities || !capabilities) {
+    return <QueryState results={[observationResult, mapResult, capabilitiesResult]} />;
+  }
+
+  return (
+    <View flex={1}>
+      <ObsDetailModalHeader title={`${zone_name} Observation`} centerId={observation.center_id} onClosePressed={closeModal} />
+      <ObservationCard observation={observation} capabilities={capabilities} />
+    </View>
+  );
+};
+
+interface ObsDetailModalHeaderProps {
+  title: string;
+  centerId: AvalancheCenterID;
+  onClosePressed: () => void;
+}
+
+const ObsDetailModalHeader: React.FunctionComponent<ObsDetailModalHeaderProps> = ({title, centerId, onClosePressed}) => {
+  return (
+    <View style={{width: '100%', backgroundColor: colorLookup('white'), paddingVertical: 8, justifyContent: 'center', alignContent: 'center'}}>
+      <HStack justifyContent="space-between" space={8} px={16}>
+        <Ionicons.Button
+          size={24}
+          color={colorLookup('primary')}
+          name="close"
+          backgroundColor={colorLookup('white')}
+          iconStyle={{marginLeft: 0, marginRight: 0}}
+          style={{textAlign: 'center', borderColor: 'transparent', borderWidth: 1}}
+          onPress={onClosePressed}
+        />
+
+        <Title3Black textAlign="center" style={{flex: 1, borderColor: 'transparent', borderWidth: 1, color: colorLookup('text')}}>
+          {title}
+        </Title3Black>
+
+        <AvalancheCenterLogo style={{height: 32, width: 32, resizeMode: 'contain', flex: 0, flexGrow: 0, marginTop: 4}} avalancheCenterId={centerId} />
+      </HStack>
+    </View>
+  );
+};
diff --git a/components/screens/navigation/MainStack.tsx b/components/screens/navigation/MainStack.tsx
index a33e94fc..ea7923ed 100644
--- a/components/screens/navigation/MainStack.tsx
+++ b/components/screens/navigation/MainStack.tsx
@@ -5,6 +5,7 @@ import {NavigationHeader} from 'components/content/NavigationHeader';
 import {View} from 'components/core';
 import {FeatureFlagsDebuggerScreen} from 'components/FeatureFlagsDebugger';
 import {NWACObservationDetailView, ObservationDetailView} from 'components/observations/ObservationDetailView';
+import {ObservationDetailModalView} from 'components/observations/ObservationDetailViewModal';
 import {ObservationForm} from 'components/observations/ObservationForm';
 import {ObservationsPortal} from 'components/observations/ObservationsPortal';
 import {ForecastScreen} from 'components/screens/ForecastScreen';
@@ -78,6 +79,16 @@ export const MainStackNavigator: React.FunctionComponent<{
           title: 'Observation',
         }}
       />
+
+      <MainStack.Screen
+        name="observationModal"
+        component={ObservationDetailModal}
+        options={{
+          presentation: 'pageSheet',
+          headerShown: false,
+        }}
+      />
+
       <MainStack.Screen
         name="nwacObservation"
         component={NWACObservationDetailScreen}
@@ -149,7 +160,7 @@ const ObservationSubmitScreen = () => {
   return <ObservationForm key={`${center_id}-observationForm`} center_id={center_id} />;
 };
 
-export const ObservationDetailScreen = ({route}: NativeStackScreenProps<MainStackParamList, 'observation'>) => {
+const ObservationDetailScreen = ({route}: NativeStackScreenProps<MainStackParamList, 'observation'>) => {
   const {id} = route.params;
   return (
     <View style={styles.fullScreen}>
@@ -158,7 +169,17 @@ export const ObservationDetailScreen = ({route}: NativeStackScreenProps<MainStac
   );
 };
 
-export const NWACObservationDetailScreen = ({route}: NativeStackScreenProps<MainStackParamList, 'nwacObservation'>) => {
+const ObservationDetailModal = ({route}: NativeStackScreenProps<MainStackParamList, 'observationModal'>) => {
+  const {id} = route.params;
+
+  return (
+    <View style={styles.fullScreen}>
+      <ObservationDetailModalView id={id} />
+    </View>
+  );
+};
+
+const NWACObservationDetailScreen = ({route}: NativeStackScreenProps<MainStackParamList, 'nwacObservation'>) => {
   const {id} = route.params;
   return (
     <View style={styles.fullScreen}>
@@ -169,7 +190,7 @@ export const NWACObservationDetailScreen = ({route}: NativeStackScreenProps<Main
 
 // MARK: Weather Station Screens
 
-export const WeatherStationsDetailScreen = ({route}: NativeStackScreenProps<MainStackParamList, 'stationsDetail'>) => {
+const WeatherStationsDetailScreen = ({route}: NativeStackScreenProps<MainStackParamList, 'stationsDetail'>) => {
   const {preferences} = usePreferences();
   const center_id = preferences.center;
   return (
@@ -182,7 +203,7 @@ export const WeatherStationsDetailScreen = ({route}: NativeStackScreenProps<Main
   );
 };
 
-export const WeatherStationDetailScreen = ({route}: NativeStackScreenProps<MainStackParamList, 'stationDetail'>) => {
+const WeatherStationDetailScreen = ({route}: NativeStackScreenProps<MainStackParamList, 'stationDetail'>) => {
   const {preferences} = usePreferences();
   const center_id = preferences.center;
   return (
diff --git a/routes.ts b/routes.ts
index 006d5bdb..b0776daf 100644
--- a/routes.ts
+++ b/routes.ts
@@ -29,6 +29,9 @@ export type MainStackParamList = {
   observation: {
     id: string;
   };
+  observationModal: {
+    id: string;
+  };
   nwacObservation: {
     id: string;
   };