diff --git a/CMakeLists_files.cmake b/CMakeLists_files.cmake
index 79d61c427..6dd57a5db 100644
--- a/CMakeLists_files.cmake
+++ b/CMakeLists_files.cmake
@@ -37,6 +37,7 @@ list (APPEND MAIN_SOURCE_FILES
   opm/grid/cpgrid/Iterators.cpp
   opm/grid/cpgrid/Indexsets.cpp
   opm/grid/cpgrid/PartitionTypeIndicator.cpp
+  opm/grid/cpgrid/CpGridUtilities.cpp
   opm/grid/cpgrid/processEclipseFormat.cpp
   opm/grid/common/GeometryHelpers.cpp
   opm/grid/common/GridPartitioning.cpp
@@ -191,6 +192,7 @@ list (APPEND PUBLIC_HEADER_FILES
   opm/grid/cpgrid/CartesianIndexMapper.hpp
   opm/grid/cpgrid/CpGridData.hpp
   opm/grid/cpgrid/CpGridDataTraits.hpp
+  opm/grid/cpgrid/CpGridUtilities.hpp
   opm/grid/cpgrid/DataHandleWrappers.hpp
   opm/grid/cpgrid/DefaultGeometryPolicy.hpp
   opm/grid/cpgrid/dgfparser.hh
diff --git a/opm/grid/CpGrid.hpp b/opm/grid/CpGrid.hpp
index dce2a00b9..5562fc1b7 100644
--- a/opm/grid/CpGrid.hpp
+++ b/opm/grid/CpGrid.hpp
@@ -1194,15 +1194,6 @@ namespace Dune
         /// @brief Reverse map: from leaf index cell to { level, local/level Cartesian index of the cell }
         std::vector<std::array<int,2>> mapLeafIndexSetToLocalCartesianIndexSets() const;
 
-        /// @brief Retrieves the local IJKs of cells within a specified LGR.
-        ///
-        /// This method returns a vector of IJK indices corresponding to underlying Cartesian grid of the local
-        /// grid refinement (LGR) specified by its name. If the specified LGR name is not found, it throws.
-        ///
-        /// @param lgr_name The name of the LGR whose local IJK coordinates are requested.
-        /// @return std::vector<std::array<int, 3>> A list of (i, j, k)'s for each cell in the LGR.
-        std::vector<std::array<int,3>> localIJK(const std::string& lgr_name) const;
-
         /// \brief Size of the overlap on the leaf level
         unsigned int overlapSize(int) const;
 
diff --git a/opm/grid/cpgrid/CpGrid.cpp b/opm/grid/cpgrid/CpGrid.cpp
index a9aae908f..610187425 100644
--- a/opm/grid/cpgrid/CpGrid.cpp
+++ b/opm/grid/cpgrid/CpGrid.cpp
@@ -54,7 +54,6 @@
 #include "ParentToChildCellToPointGlobalIdHandle.hpp"
 #include <opm/grid/common/MetisPartition.hpp>
 #include <opm/grid/common/ZoltanPartition.hpp>
-#include <opm/grid/cpgrid/LevelCartesianIndexMapper.hpp>
 #include <opm/grid/GraphOfGridWrappers.hpp>
 //#include <opm/grid/common/ZoltanGraphFunctions.hpp>
 #include <opm/grid/common/GridPartitioning.hpp>
@@ -714,30 +713,6 @@ std::vector<std::array<int,2>> CpGrid::mapLeafIndexSetToLocalCartesianIndexSets(
     return leafIdx_to_localCartesianIdxSets;
 }
 
-std::vector<std::array<int,3>> CpGrid::localIJK(const std::string& lgr_name) const
-{
-    // Check lgr_name exists in lgr_names_
-    auto it = lgr_names_.find(lgr_name);
-    if (it == lgr_names_.end()) {
-        OPM_THROW(std::runtime_error, "LGR name not found: " + lgr_name);
-    }
-
-    const Opm::LevelCartesianIndexMapper<Dune::CpGrid> levelCartMapp(*this);
-    const auto& level = it->second;
-
-    std::vector<std::array<int, 3>> localIJK;
-    localIJK.reserve(levelGridView(level).size(0));
-
-    for (const auto& element : elements(levelGridView(level))) {
-        std::array<int, 3> local_ijk;
-        levelCartMapp.cartesianCoordinate(element.index(), local_ijk, level);
-        localIJK.emplace_back(local_ijk);
-    }
-
-    return localIJK;
-}
-
-
 void CpGrid::getIJK(const int c, std::array<int,3>& ijk) const
 {
     current_view_data_->getIJK(c, ijk);
diff --git a/tests/cpgrid/localIJK_test.cpp b/tests/cpgrid/localIJK_test.cpp
index 2a5b8dff6..46479d584 100644
--- a/tests/cpgrid/localIJK_test.cpp
+++ b/tests/cpgrid/localIJK_test.cpp
@@ -41,15 +41,13 @@
 #endif
 
 
-#include <opm/grid/CpGrid.hpp>
+#include <opm/grid/cpgrid/CpGridUtilities.hpp>
 
 #include <dune/common/version.hh>
 #include <dune/grid/common/mcmgmapper.hh>
 #include <opm/input/eclipse/Deck/Deck.hpp>
 #include <opm/input/eclipse/EclipseState/EclipseState.hpp>
 #include <opm/input/eclipse/Parser/Parser.hpp>
-//#include <opm/input/eclipse/EclipseState/Grid/LgrCollection.hpp>
-//#include <opm/input/eclipse/EclipseState/Grid/Carfin.hpp>
 
 #include <array>
 #include <stdexcept>
@@ -147,8 +145,8 @@ BOOST_AUTO_TEST_CASE(localIJK_in_allActiveCellLGRs)
     const int lgr2_level = lgr_name_to_level.at("LGR2");
 
     // Get vector of local ijk for each LGR
-    std::vector<std::array<int, 3>> ijk_lgr1 = grid.localIJK("LGR1");
-    std::vector<std::array<int, 3>> ijk_lgr2 = grid.localIJK("LGR2");
+    std::vector<std::array<int, 3>> ijk_lgr1 = Opm::localIJK(grid, "LGR1");
+    std::vector<std::array<int, 3>> ijk_lgr2 = Opm::localIJK(grid, "LGR2");
 
     // Ensure it's not empty
     BOOST_TEST(!ijk_lgr1.empty()); // 2 active parent cell refined into 2x2x2 refined cells
@@ -170,7 +168,7 @@ BOOST_AUTO_TEST_CASE(localIJK_in_allActiveCellLGRs)
     }
 
     // Invalid LGR should throw an exception
-    BOOST_CHECK_THROW(grid.localIJK("LGR3DOESNOTEXIST"), std::runtime_error);
+    BOOST_CHECK_THROW(Opm::localIJK(grid, "LGR3DOESNOTEXIST"), std::runtime_error);
 
     // LGR1 Dimension: 2x2x4 (Width x Height x Depth)
     // Visual representation of local cell indices per k-layer: