diff --git a/KeepersCompound.LGS/Database/Chunks/Link.cs b/KeepersCompound.LGS/Database/Chunks/Link.cs
index 7faa6c5..fac2779 100644
--- a/KeepersCompound.LGS/Database/Chunks/Link.cs
+++ b/KeepersCompound.LGS/Database/Chunks/Link.cs
@@ -1,3 +1,5 @@
+using Serilog;
+
 namespace KeepersCompound.LGS.Database.Chunks;
 
 public record LinkId
@@ -96,7 +98,7 @@ public class LinkChunk : IChunk, IMergable
         
         if (links.Count != count)
         {
-            Console.WriteLine($"Trimmed links: {count} -> {links.Count}");
+            Log.Information("Trimming excess Links in GAM: {StartCount} -> {EndCount}", count, links.Count);
         }
         
         links.AddRange(((LinkChunk)other).links);
@@ -162,7 +164,7 @@ public class LinkDataMetaProp : IChunk, IMergable
 
         if (linkData.Count != count)
         {
-            Console.WriteLine($"Trimmed link data: {count} -> {linkData.Count}");
+            Log.Information("Trimming excess LinkData in GAM: {StartCount} -> {EndCount}", count, linkData.Count);
         }
         
         linkData.AddRange(((LinkDataMetaProp)other).linkData);
diff --git a/KeepersCompound.Lightmapper/LightMapper.cs b/KeepersCompound.Lightmapper/LightMapper.cs
index 1e10923..a212a17 100644
--- a/KeepersCompound.Lightmapper/LightMapper.cs
+++ b/KeepersCompound.Lightmapper/LightMapper.cs
@@ -2,6 +2,7 @@ using System.Numerics;
 using KeepersCompound.LGS;
 using KeepersCompound.LGS.Database;
 using KeepersCompound.LGS.Database.Chunks;
+using Serilog;
 using TinyEmbree;
 
 namespace KeepersCompound.Lightmapper;
@@ -191,10 +192,28 @@ public class LightMapper
             }
         }
 
-        var infinite = _lights.Count(light => light.Radius == float.MaxValue);
+        var infinite = 0;
+        foreach (var light in _lights)
+        {
+            if (light.Radius != float.MaxValue)
+            {
+                continue;
+            }
+
+            if (light.ObjId != -1)
+            {
+                Log.Warning("Infinite light from object {Id}", light.ObjId);
+            }
+            else
+            {
+                Log.Warning("Infinite light from brush near {Position}", light.Position);
+            }
+            infinite++;
+        }
+        
         if (infinite > 0)
         {
-            Console.WriteLine($"WARNING: Infinite radius lights found: {infinite}/{_lights.Count}");
+            Log.Warning("Mission contains {Count} infinite lights", infinite);
         }
     }
     
@@ -221,6 +240,7 @@ public class LightMapper
             R2 = float.MaxValue,
             LightTableIndex = lightTable.LightCount,
             SpotlightInnerAngle = -1f,
+            ObjId = -1,
         };
         
         _lights.Add(light);
@@ -483,7 +503,7 @@ public class LightMapper
 
             if (cell.LightIndexCount > 97)
             {
-                // Console.WriteLine($"WARNING: Too many lights in cell at ({cell.SphereCenter}): {cell.LightIndexCount - 1} / 96");
+                Log.Warning("Cell {Id} sees too many lights ({Count})", i, cell.LightIndices[0]);
             }
         });
 
@@ -505,10 +525,10 @@ public class LightMapper
 
             if (overLit > 0)
             {
-                Console.WriteLine($"WARNING: Overlit cells detected: {overLit}/{worldRep.Cells.Length}");
+                Log.Warning("{Count}/{CellCount} cells are overlit. Overlit cells can cause Object/Light Gem lighting issues.", overLit, worldRep.Cells.Length);
             }
 
-            Console.WriteLine($"MaxLights: {maxLights} / 96");
+            Log.Information("Max cell lights found ({Count}/96)", maxLights);
         }
     }
 
diff --git a/KeepersCompound.Lightmapper/Timing.cs b/KeepersCompound.Lightmapper/Timing.cs
index 01c682f..ff9a08f 100644
--- a/KeepersCompound.Lightmapper/Timing.cs
+++ b/KeepersCompound.Lightmapper/Timing.cs
@@ -1,4 +1,5 @@
 using System.Diagnostics;
+using Serilog;
 
 namespace KeepersCompound.Lightmapper;
 
@@ -32,7 +33,7 @@ public static class Timing
     {
         foreach (var (stagename, time) in _stages)
         {
-            Console.WriteLine($"[{stagename}]: {time:g}");
+            Log.Information("Timing {StageName}: {Time:g}", stagename, time);
         }
     }