diff --git a/DESCRIPTION b/DESCRIPTION
index 6ebff18..b9cb9dc 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -11,7 +11,7 @@ Description: Topotoolboxr provides an R interface to TopoToolbox, a set of tools
 Encoding: UTF-8
 LazyData: true
 URL: https://github.com/TopoToolbox/topotoolboxr, https://github.com/TopoToolbox
-RoxygenNote: 7.3.2
+RoxygenNote: 7.3.3
 Suggests: 
     testthat (>= 3.1.5)
 Config/testthat/edition: 3
diff --git a/R/data.R b/R/data.R
new file mode 100644
index 0000000..54c010f
--- /dev/null
+++ b/R/data.R
@@ -0,0 +1,19 @@
+#' Path to 30 m SRTM elevation data for Big Tujunga catchment
+#'
+#' Character string containing the file path to the 30 m resolution Shuttle Radar 
+#' Topography Mission (SRTM) elevation data TIFF file for the Big Tujunga 
+#' catchment in California, located in `inst/extdata/`.
+#'
+#' @format ## `srtm_bigtujunga30m_utm11`
+#' A single length character string giving the full path to the GEOTIFF file:
+#' \describe{
+#'   \item{file}{Path to `srtm_bigtujunga30m_utm11.tif` (643 rows, 1197 columns, 1 layer, WGS 84 / UTM zone 11N EPSG:32611)}
+#' }
+#' @usage data(srtm_bigtujunga30m_utm11)
+#' @examples
+#' \dontrun{
+#' data(srtm_bigtujunga30m_utm11)
+#' library(topotoolboxr)
+#' GRIDobj(srtm_bigtujunga30m_utm11)
+#' }
+"srtm_bigtujunga30m_utm11"
diff --git a/data/srtm_bigtujunga30m_utm11.rda b/data/srtm_bigtujunga30m_utm11.rda
new file mode 100644
index 0000000..76b1af0
Binary files /dev/null and b/data/srtm_bigtujunga30m_utm11.rda differ
diff --git a/inst/extdata/srtm_bigtujunga30m_utm11.tif b/inst/extdata/srtm_bigtujunga30m_utm11.tif
new file mode 100644
index 0000000..baf6b50
Binary files /dev/null and b/inst/extdata/srtm_bigtujunga30m_utm11.tif differ
diff --git a/man/srtm_bigtujunga30m_utm11.Rd b/man/srtm_bigtujunga30m_utm11.Rd
new file mode 100644
index 0000000..b270a0c
--- /dev/null
+++ b/man/srtm_bigtujunga30m_utm11.Rd
@@ -0,0 +1,29 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/data.R
+\docType{data}
+\name{srtm_bigtujunga30m_utm11}
+\alias{srtm_bigtujunga30m_utm11}
+\title{Path to 30 m SRTM elevation data for Big Tujunga catchment}
+\format{
+## `srtm_bigtujunga30m_utm11`
+A single length character string giving the full path to the GEOTIFF file:
+\describe{
+  \item{file}{Path to `srtm_bigtujunga30m_utm11.tif` (643 rows, 1197 columns, 1 layer, WGS 84 / UTM zone 11N EPSG:32611)}
+}
+}
+\usage{
+data(srtm_bigtujunga30m_utm11)
+}
+\description{
+Character string containing the file path to the 30 m resolution Shuttle Radar 
+Topography Mission (SRTM) elevation data TIFF file for the Big Tujunga 
+catchment in California, located in `inst/extdata/`.
+}
+\examples{
+\dontrun{
+data(srtm_bigtujunga30m_utm11)
+library(topotoolboxr)
+GRIDobj(srtm_bigtujunga30m_utm11)
+}
+}
+\keyword{datasets}
diff --git a/tests/testthat/test-data.R b/tests/testthat/test-data.R
new file mode 100644
index 0000000..6cd6e89
--- /dev/null
+++ b/tests/testthat/test-data.R
@@ -0,0 +1,7 @@
+test_that("Checks if data path loads correctly", {
+  srtm_bigtujunga30m_utm11 <- system.file("extdata",
+                                          "srtm_bigtujunga30m_utm11.tif",
+                                          package = "topotoolboxr")
+  dem <- GRIDobj(srtm_bigtujunga30m_utm11)
+  expect_s3_class(dem, "GRIDobj")
+})
\ No newline at end of file