diff --git a/.env.sample.holesky b/.env.sample.holesky
index 1d6c83e..ed105e1 100644
--- a/.env.sample.holesky
+++ b/.env.sample.holesky
@@ -229,3 +229,8 @@ MEV_RELAYS=https://0xab78bf8c781c58078c3beb5710c57940874dd96aef2835e7742c866b4c7
 
 # Loki host exposed port.
 #MONITORING_PORT_LOKI=
+
+# OTLP Server address & Auth Token for exporting traces to Obol's Tempo server.
+# To be provided by Obol support.
+# CHARON_OTLP_ADDRESS=tempo.monitoring.gcp.obol.tech:443
+# CHARON_OTLP_HEADERS=Authorization=Basic <insert your token here>
\ No newline at end of file
diff --git a/.env.sample.hoodi b/.env.sample.hoodi
index 5da90b2..11c9fc5 100644
--- a/.env.sample.hoodi
+++ b/.env.sample.hoodi
@@ -229,3 +229,8 @@ MEV_RELAYS=https://0x98f0ef62f00780cf8eb06701a7d22725b9437d4768bb19b363e882ae871
 
 # Loki host exposed port.
 #MONITORING_PORT_LOKI=
+
+# OTLP Server address & Auth Token for exporting traces to Obol's Tempo server.
+# To be provided by Obol support.
+# CHARON_OTLP_ADDRESS=tempo.monitoring.gcp.obol.tech:443
+# CHARON_OTLP_HEADERS=Authorization=Basic <insert your token here>
\ No newline at end of file
diff --git a/.env.sample.mainnet b/.env.sample.mainnet
index cbebbd5..8cb5376 100644
--- a/.env.sample.mainnet
+++ b/.env.sample.mainnet
@@ -229,3 +229,8 @@ MEV_RELAYS=https://0xa15b52576bcbf1072f4a011c0f99f9fb6c66f3e1ff321f11f461d15e31b
 
 # Loki host exposed port.
 #MONITORING_PORT_LOKI=
+
+# OTLP Server address & Auth Token for exporting traces to Obol's Tempo server.
+# To be provided by Obol support.
+# CHARON_OTLP_ADDRESS=tempo.monitoring.gcp.obol.tech:443
+# CHARON_OTLP_HEADERS=Authorization=Basic <insert your token here>
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 938a783..5036333 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -103,6 +103,9 @@ services:
       - CHARON_LOKI_SERVICE=charon
       - CHARON_NICKNAME=${CHARON_NICKNAME:-}
       - CHARON_EXECUTION_CLIENT_RPC_ENDPOINT=${CHARON_EXECUTION_CLIENT_RPC_ENDPOINT:-http://nethermind:8545}
+      - CHARON_OTLP_ADDRESS=${CHARON_OTLP_ADDRESS:-}
+      - CHARON_OTLP_SERVICE_NAME=${CHARON_OTLP_SERVICE_NAME:-charon}
+      - CHARON_OTLP_HEADERS=${CHARON_OTLP_HEADERS:-}
     ports:
       - ${CHARON_PORT_P2P_TCP:-3610}:${CHARON_PORT_P2P_TCP:-3610}/tcp # P2P TCP libp2p
     labels: