diff --git a/site_ansto/instrument/reflectometer/hpaths.tcl b/site_ansto/instrument/reflectometer/hpaths.tcl
new file mode 100644
index 00000000..e89200f3
--- /dev/null
+++ b/site_ansto/instrument/reflectometer/hpaths.tcl
@@ -0,0 +1,43 @@
+# Maps devices (eg motors) to hipadaba paths.
+array set motor_hpath [list \
+s1up /slits/1 \
+s1lo /slits/1 \
+s1le /slits/1 \
+s1ri /slits/1 \
+s1vg /slits/1 \
+s1vo /slits/1 \
+s1hg /slits/1 \
+s1ho /slits/1 \
+s2up /slits/2 \
+s2lo /slits/2 \
+s2le /slits/2 \
+s2ri /slits/2 \
+s2vg /slits/2 \
+s2vo /slits/2 \
+s2hg /slits/2 \
+s2ho /slits/2 \
+s3up /slits/3 \
+s3lo /slits/3 \
+s3le /slits/3 \
+s3ri /slits/3 \
+s3vg /slits/3 \
+s3vo /slits/3 \
+s3hg /slits/3 \
+s3ho /slits/3 \
+st3vt /slits/3 \
+s4up /slits/4 \
+s4lo /slits/4 \
+s4le /slits/4 \
+s4ri /slits/4 \
+s4vg /slits/4 \
+s4vo /slits/4 \
+s4hg /slits/4 \
+s4ho /slits/4 \
+st4vt /slits/4 \
+say /sample \
+sax /sample \
+sath /sample \
+saphi /sample \
+dsyvt /detector \
+deyvt /detector \
+]