diff --git a/src/Model/InitialConditions/InitialConditions.py b/src/Model/InitialConditions/InitialConditions.py
index c295e24e..d0ca7160 100644
--- a/src/Model/InitialConditions/InitialConditions.py
+++ b/src/Model/InitialConditions/InitialConditions.py
@@ -256,6 +256,17 @@ class Data(SQLSubModel):
         )
         return new
 
+    def cloned_for(self, reach, section):
+        return Data(
+            name=self._name,
+            comment=self._comment,
+            section=section,
+            discharge=self._discharge,
+            height=self._height,
+            reach=reach,
+            status=self._status,
+        )
+
     @property
     def name(self):
         return self._name
@@ -505,6 +516,20 @@ class InitialConditions(SQLSubModel):
         for data in self._data:
             data.set_as_deleted()
 
+    def _splited_for(self, reach, sections):
+        new = InitialConditions(reach=reach, status=self._status)
+
+        new._data = [
+            data.cloned_for(reach, sections[data["section"]])
+            for data in self.data
+            if data["section"] in sections
+        ]
+
+        if len(new._data) != 0:
+            new.modified()
+
+        return new
+
     def generate_growing_constant_depth(self, height: float,
                                         compute_discharge: bool):
         profiles = self._reach.reach.profiles.copy()
diff --git a/src/Model/InitialConditions/InitialConditionsDict.py b/src/Model/InitialConditions/InitialConditionsDict.py
index 15403e90..5d66fc8d 100644
--- a/src/Model/InitialConditions/InitialConditionsDict.py
+++ b/src/Model/InitialConditions/InitialConditionsDict.py
@@ -88,3 +88,28 @@ class InitialConditionsDict(PamhyrModelDict):
         new = InitialConditions(reach=reach, status=self._status)
         self.set(reach, new)
         return new
+
+    def split_reach(self, reach, profile, reach1, reach2):
+        if reach not in self._dict:
+            return
+
+        profiles = reach.reach.profiles
+        split_index = profiles.index(profile)
+
+        sections1 = dict(zip(
+            profiles[:split_index + 1],
+            reach1.reach.profiles
+        ))
+        sections2 = dict(zip(
+            profiles[split_index:],
+            reach2.reach.profiles
+        ))
+
+        self.set(
+            reach1,
+            self._dict[reach]._splited_for(reach1, sections1)
+        )
+        self.set(
+            reach2,
+            self._dict[reach]._splited_for(reach2, sections2)
+        )
diff --git a/src/Model/River.py b/src/Model/River.py
index 882a844f..0e29be45 100644
--- a/src/Model/River.py
+++ b/src/Model/River.py
@@ -979,4 +979,8 @@ Last export at: @date."""
         self._add_edge(r1)
         self._add_edge(r2)
 
+        self._initial_conditions.split_reach(
+            reach, profile, r1, r2
+        )
+
         return r1, r2
diff --git a/src/Model/test_Model.py b/src/Model/test_Model.py
index f09cbc8f..56a7728f 100644
--- a/src/Model/test_Model.py
+++ b/src/Model/test_Model.py
@@ -287,3 +287,89 @@ class RiverTestCase(unittest.TestCase):
         edges = river.edges()
         self.assertEqual(edges[0], e0)
         self.assertEqual(edges[1], e1)
+
+    def test_split_reach_splits_initial_conditions(self):
+        status = StudyStatus()
+        river = River(status=status)
+        node1 = river.add_node()
+        node2 = river.add_node(x=40.0)
+        reach = river.add_edge(node1, node2)
+
+        profiles = []
+        for index in range(5):
+            profile = reach.reach.insert(index)
+            profile.rk = index * 10.0
+            profile.insert(0)
+            profiles.append(profile)
+
+        initial_conditions = river.initial_conditions.get(reach)
+        for index, profile in enumerate(profiles):
+            data = initial_conditions.new_from_data(
+                profile.rk,
+                discharge=100.0 + index,
+                elevation=10.0 + index,
+            )
+            initial_conditions.insert(index, data)
+
+        reach1, reach2 = river._split_reach(reach, profiles[2])
+        conditions1 = river.initial_conditions.get(reach1).data
+        conditions2 = river.initial_conditions.get(reach2).data
+
+        self.assertEqual(
+            [data["discharge"] for data in conditions1],
+            [100.0, 101.0, 102.0]
+        )
+        self.assertEqual(
+            [data["discharge"] for data in conditions2],
+            [102.0, 103.0, 104.0]
+        )
+        self.assertEqual(
+            [data["section"] for data in conditions1],
+            reach1.reach.profiles
+        )
+        self.assertEqual(
+            [data["section"] for data in conditions2],
+            reach2.reach.profiles
+        )
+        self.assertTrue(all(
+            data._reach is reach1 for data in conditions1
+        ))
+        self.assertTrue(all(
+            data._reach is reach2 for data in conditions2
+        ))
+
+    def test_split_reach_keeps_partial_initial_conditions_in_scope(self):
+        status = StudyStatus()
+        river = River(status=status)
+        node1 = river.add_node()
+        node2 = river.add_node(x=40.0)
+        reach = river.add_edge(node1, node2)
+
+        profiles = []
+        for index in range(5):
+            profile = reach.reach.insert(index)
+            profile.rk = index * 10.0
+            profile.insert(0)
+            profiles.append(profile)
+
+        initial_conditions = river.initial_conditions.get(reach)
+        for index in (1, 3):
+            data = initial_conditions.new_from_data(
+                profiles[index].rk,
+                discharge=100.0 + index,
+                elevation=10.0 + index,
+            )
+            initial_conditions.insert(len(initial_conditions.data), data)
+
+        reach1, reach2 = river._split_reach(reach, profiles[2])
+
+        self.assertEqual(
+            [data["discharge"]
+             for data in river.initial_conditions.get(reach1).data],
+            [101.0]
+        )
+        self.assertEqual(
+            [data["discharge"]
+             for data in river.initial_conditions.get(reach2).data],
+            [103.0]
+        )