diff --git a/internal/env/env.go b/internal/env/env.go
new file mode 100644
index 0000000..d527df0
--- /dev/null
+++ b/internal/env/env.go
@@ -0,0 +1,25 @@
+package env
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+type Env struct {
+	GNOROOT string
+	GNOHOME string
+}
+
+func GnoHome() string {
+	dir := os.Getenv("GNO_HOME")
+	if dir != "" {
+		return dir
+	}
+	dir, err := os.UserConfigDir()
+	if err != nil {
+		panic(fmt.Errorf("couldn't get user config dir: %w", err))
+	}
+	gnoHome := filepath.Join(dir, "gno")
+	return gnoHome
+}