diff --git a/internal/pkg/mpich/mpich.go b/internal/pkg/mpich/mpich.go
index ac3ce6d..147154f 100644
--- a/internal/pkg/mpich/mpich.go
+++ b/internal/pkg/mpich/mpich.go
@@ -5,7 +5,14 @@
 
 package mpich
 
-import "fmt"
+import (
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"github.com/gvallee/go_exec/pkg/advexec"
+	"github.com/gvallee/go_util/pkg/util"
+)
 
 const (
 	// VersionTag is the tag used to refer to the MPI version in MPICH template(s)
@@ -30,7 +37,48 @@ func GetConfigureExtraArgs() []string {
 	return extraArgs
 }
 
+func parseMPICHInfoOutputForVersion(output string) (string, error) {
+	targetLineIdx := 1
+	lines := strings.Split(output, "\n")
+	if !strings.Contains(lines[targetLineIdx], "Version:") {
+		return "", fmt.Errorf("invalid output format")
+	}
+	tokens := strings.Split(lines[targetLineIdx], "Version:")
+	if len(tokens) != 2 {
+		return "", fmt.Errorf("invalid format: %s", lines[targetLineIdx])
+	}
+	version := strings.TrimPrefix(tokens[1], "Version:")
+	version = strings.ReplaceAll(version, " ", "")
+	version = strings.ReplaceAll(version, "\t", "")
+	version = strings.TrimRight(version, "\n")
+	return version, nil
+}
+
 // DetectFromDir tries to figure out which version of MPICH is installed in a given directory
 func DetectFromDir(dir string, env []string) (string, string, error) {
-	return "", "", fmt.Errorf("not implemented")
+	targetBin := filepath.Join(dir, "bin", "mpirun")
+	if !util.FileExists(targetBin) {
+		return "", "", fmt.Errorf("%s does not exist, not an MPICH implementation", targetBin)
+	}
+
+	var versionCmd advexec.Advcmd
+	versionCmd.BinPath = targetBin
+	versionCmd.CmdArgs = append(versionCmd.CmdArgs, "--version")
+	versionCmd.Env = env
+	if env == nil {
+		newLDPath := filepath.Join(dir, "lib") + ":$LD_LIBRARY_PATH"
+		newPath := filepath.Join(dir, "bin") + ":$PATH"
+		versionCmd.Env = append(versionCmd.Env, "LD_LIBRARY_PATH="+newLDPath)
+		versionCmd.Env = append(versionCmd.Env, "PATH="+newPath)
+	}
+	res := versionCmd.Run()
+	if res.Err != nil {
+		return "", "", fmt.Errorf("unable to execute %s --version: %w", targetBin, res.Err)
+	}
+	version, err := parseMPICHInfoOutputForVersion(res.Stdout)
+	if err != nil {
+		return "", "", fmt.Errorf("parseOmpiInfoOutputForVersion() failed - %w", err)
+	}
+
+	return ID, version, nil
 }
diff --git a/internal/pkg/mpich/mpich_test.go b/internal/pkg/mpich/mpich_test.go
new file mode 100644
index 0000000..5bc87e8
--- /dev/null
+++ b/internal/pkg/mpich/mpich_test.go
@@ -0,0 +1,55 @@
+// Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
+// This software is licensed under a 3-clause BSD license. Please consult the
+// LICENSE.md file distributed with the sources of this project regarding your
+// rights to use or distribute this software.
+
+package mpich
+
+import "testing"
+
+func TestParseMPICHInfoOutputForVersion(t *testing.T) {
+	tests := []struct {
+		name           string
+		input          string
+		expectedOutput string
+	}{
+		{
+			name: "v3.4.2",
+			input: `HYDRA build details:
+    Version:                                 3.4.2
+    Release Date:                            Wed May 26 15:51:40 CDT 2021
+    CC:                              gcc    
+    Configure options:                       '--disable-option-checking' '--prefix=/home/gvallee/install/mpich-3.4.2' 'FCFLAGS=-fallow-argument-mismatch -O2' 'FFLAGS=-fallow-argument-mismatch -O2' '--with-ucx=/home/gvallee/install/ucx-1.9.0' '--cache-file=/dev/null' '--srcdir=.' 'CC=gcc' 'CFLAGS= -O2' 'LDFLAGS= -L/home/gvallee/install/ucx-1.9.0/lib' 'LIBS=' 'CPPFLAGS= -I/home/gvallee/install/ucx-1.9.0/include -DNETMOD_INLINE=__netmod_inline_ucx__ -I/home/gvallee/src/mpich-3.4.2/src/mpl/include -I/home/gvallee/src/mpich-3.4.2/src/mpl/include -I/home/gvallee/src/mpich-3.4.2/modules/yaksa/src/frontend/include -I/home/gvallee/src/mpich-3.4.2/modules/yaksa/src/frontend/include -I/home/gvallee/src/mpich-3.4.2/modules/json-c -I/home/gvallee/src/mpich-3.4.2/modules/json-c -D_REENTRANT -I/home/gvallee/src/mpich-3.4.2/src/mpi/romio/include' 'MPLLIBNAME=mpl'
+    Process Manager:                         pmi
+    Launchers available:                     ssh rsh fork slurm ll lsf sge manual persist
+    Topology libraries available:            hwloc
+    Resource management kernels available:   user slurm ll lsf sge pbs cobalt
+    Demux engines available:                 poll select`,
+			expectedOutput: "3.4.2",
+		},
+		{
+			name: "4.0b1",
+			input: `HYDRA build details:
+    Version:                                 4.0b1
+    Release Date:                            Mon Nov 15 10:22:52 CST 2021
+    CC:                              gcc      
+    Configure options:                       '--disable-option-checking' '--prefix=/home/gvallee/install/mpich-4.0b1' 'FCFLAGS=-fallow-argument-mismatch -O2' 'FFLAGS=-fallow-argument-mismatch -O2' '--cache-file=/dev/null' '--srcdir=.' 'CC=gcc' 'CFLAGS= -O2' 'LDFLAGS=' 'LIBS=' 'CPPFLAGS=-DNETMOD_INLINE=__netmod_inline_ofi__ -D__HIP_PLATFORM_AMD__ -I/home/gvallee/src/mpich-4.0b1/src/mpl/include -I/home/gvallee/src/mpich-4.0b1/modules/json-c -I/home/gvallee/src/mpich-4.0b1/modules/hwloc/include -D_REENTRANT -I/home/gvallee/src/mpich-4.0b1/src/mpi/romio/include -I/home/gvallee/src/mpich-4.0b1/modules/yaksa/src/frontend/include -I/home/gvallee/src/mpich-4.0b1/modules/libfabric/include'
+    Process Manager:                         pmi
+    Launchers available:                     ssh rsh fork slurm ll lsf sge manual persist
+    Topology libraries available:            hwloc
+    Resource management kernels available:   user slurm ll lsf sge pbs cobalt
+    Demux engines available:                 poll select`,
+			expectedOutput: "4.0b1",
+		},
+	}
+
+	for _, tt := range tests {
+		version, err := parseMPICHInfoOutputForVersion(tt.input)
+		if err != nil {
+			t.Fatalf("parseOmpiInfoOutputForVersion() failed: %s", err)
+		}
+		if version != tt.expectedOutput {
+			t.Fatalf("parseOmpiInfoOutputForVersion() returned %s instead of %s", version, tt.expectedOutput)
+		}
+	}
+}