Mount Tappukoppu

{{Short description|Mountain in Hokkaidō, Japan}}

{{No footnotes|date=July 2024}}

{{Infobox mountain

| name = Mount Tappukoppu

| other_name = 多峰古峰山

| photo =

| photo_caption =

| elevation_m = 661.1

| elevation_ref = [http://www.gsi.go.jp/ENGLISH/index.html Geographical Survey Institute] website, 25000:1 map 風不死岳

| prominence =

| listing = List of mountains and hills of Japan by height

| location = Hokkaidō, Japan

| range = Nasu Volcanic Zone

| coordinates = {{coord|42|41|38|N|141|17|50|E|display=inline,title}}

| topo = {{nihongo|Geographical Survey Institute|国土地理院|Kokudochiriin}} 25000:1 風不死岳, 50000:1 樽前山

| type = volcanic

| age = Holocene

| volcanic_arc = Northeast Japan Arc

| last_eruption =

| first_ascent =

| easiest_route =

}}

{{nihongo|Mount Tappukoppu|多峰古峰山|Tappukoppu-san}} is a mountain located in Shikotsu-Toya National Park in Hokkaidō, Japan. It sits on the south shore of Lake Shikotsu, a caldera lake.