diff --git a/app/scodoc/sco_assiduites.py b/app/scodoc/sco_assiduites.py
index 96d12865..3bac9796 100644
--- a/app/scodoc/sco_assiduites.py
+++ b/app/scodoc/sco_assiduites.py
@@ -126,6 +126,7 @@ class CountCalculator:
                 self.add_half_day(period[0].date())
 
         while pointer_date < assi.date_fin.date():
+            # TODO : Utiliser la préférence de département : workdays
             if pointer_date.weekday() < (6 - self.skip_saturday):
                 self.add_day(pointer_date)
                 self.add_half_day(pointer_date)
diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index e9fdfc14..41308847 100755
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -835,11 +835,11 @@ def _make_listes_sem(formsemestre: FormSemestre, with_absences=True):
             first_monday = sco_abs.ddmmyyyy(
                 formsemestre.date_debut.strftime("%d/%m/%Y")
             ).prev_monday()
-            form_abs_tmpl = """
-            <!-- <td>
-                <a class="btn" href="%(url_etat)s"><button>Voir l'assiduité</button></a>
-            </td> -->
+            form_abs_tmpl = f"""
             <td>
+            <a class="btn" href="{
+                    url_for("assiduites.visu_assi_group", scodoc_dept=g.scodoc_dept) 
+                }?group_ids=%(group_id)s&date_debut={formsemestre.date_debut.isoformat()}&date_fin={formsemestre.date_fin.isoformat()}"><button>Visualiser l'assiduité</button></a>
             """
             form_abs_tmpl += f"""
                 <a class="btn" href="{
diff --git a/app/tables/visu_assiduites.py b/app/tables/visu_assiduites.py
new file mode 100644
index 00000000..3c8304b9
--- /dev/null
+++ b/app/tables/visu_assiduites.py
@@ -0,0 +1,146 @@
+##############################################################################
+# ScoDoc
+# Copyright (c) 1999 - 2023 Emmanuel Viennet.  All rights reserved.
+# See LICENSE
+##############################################################################
+
+"""Liste simple d'étudiants
+"""
+
+from flask import g, url_for
+from app.models import Identite, Assiduite, Justificatif
+from app.tables import table_builder as tb
+import app.scodoc.sco_assiduites as scass
+from app.scodoc import sco_preferences
+
+
+class TableAssi(tb.Table):
+    """Table listant l'assiduité des étudiants
+    L'id de la ligne est etuid, et le row stocke etud.
+    """
+
+    def __init__(
+        self,
+        etuds: list[Identite] = None,
+        dates: tuple[str, str] = None,
+        **kwargs,
+    ):
+        self.rows: list["RowEtud"] = []  # juste pour que VSCode nous aide sur .rows
+        classes = ["gt_table", "gt_left"]
+        self.dates = [str(dates[0]) + "T00:00", str(dates[1]) + "T23:59"]
+
+        super().__init__(
+            row_class=RowAssi,
+            classes=classes,
+            **kwargs,
+            with_foot_titles=False,
+        )
+        self.add_etuds(etuds)
+
+    def add_etuds(self, etuds: list[Identite]):
+        "Ajoute des étudiants à la table"
+        for etud in etuds:
+            row = self.row_class(self, etud)
+            row.add_etud_cols()
+            self.add_row(row)
+
+
+class RowAssi(tb.Row):
+    "Ligne de la table assiduité"
+
+    # pour le moment très simple, extensible (codes, liens bulletins, ...)
+    def __init__(self, table: TableAssi, etud: Identite, *args, **kwargs):
+        super().__init__(table, etud.id, *args, **kwargs)
+        self.etud = etud
+        self.dates = table.dates
+
+    def add_etud_cols(self):
+        """Ajoute les colonnes"""
+        etud = self.etud
+        self.table.group_titles.update(
+            {
+                "etud_codes": "Codes",
+                "identite_detail": "",
+                "identite_court": "",
+            }
+        )
+
+        bilan_etud = f"{url_for('assiduites.bilan_etud', scodoc_dept=g.scodoc_dept)}?etudid={etud.id}"
+        self.add_cell(
+            "nom_disp",
+            "Nom",
+            etud.nom_disp(),
+            "identite_detail",
+            data={"order": etud.sort_key},
+            target=bilan_etud,
+            target_attrs={"class": "discretelink", "id": str(etud.id)},
+        )
+        self.add_cell(
+            "prenom",
+            "Prénom",
+            etud.prenom,
+            "identite_detail",
+            data={"order": etud.sort_key},
+            target=bilan_etud,
+            target_attrs={"class": "discretelink", "id": str(etud.id)},
+        )
+        stats = self._get_etud_stats(etud)
+        for key, value in stats.items():
+            self.add_cell(key, value[0], f"{value[1] - value[2]}", "assi_stats")
+            self.add_cell(
+                key + "_justi",
+                value[0] + " Justifiée(s)",
+                f"{value[2]}",
+                "assi_stats",
+            )
+
+        compte_justificatifs = scass.filter_by_date(
+            etud.justificatifs, Justificatif, self.dates[0], self.dates[1]
+        ).count()
+
+        self.add_cell("justificatifs", "Justificatifs", f"{compte_justificatifs}")
+
+    def _get_etud_stats(self, etud: Identite) -> dict[str, list[str, float, float]]:
+        retour: dict[str, tuple[str, float, float]] = {
+            "present": ["Présence(s)", 0.0, 0.0],
+            "retard": ["Retard(s)", 0.0, 0.0],
+            "absent": ["Absence(s)", 0.0, 0.0],
+        }
+
+        assi_metric = {
+            "H.": "heure",
+            "J.": "journee",
+            "1/2 J.": "demi",
+        }.get(sco_preferences.get_preference("assi_metrique", dept_id=g.scodoc_dept_id))
+
+        for etat, valeur in retour.items():
+            compte_etat = scass.get_assiduites_stats(
+                assiduites=etud.assiduites,
+                metric=assi_metric,
+                filtered={
+                    "date_debut": self.dates[0],
+                    "date_fin": self.dates[1],
+                    "etat": etat,
+                },
+            )
+
+            compte_etat_just = scass.get_assiduites_stats(
+                assiduites=etud.assiduites,
+                metric=assi_metric,
+                filtered={
+                    "date_debut": self.dates[0],
+                    "date_fin": self.dates[1],
+                    "etat": etat,
+                    "est_just": True,
+                },
+            )
+
+            valeur[1] = compte_etat[assi_metric]
+            valeur[2] = compte_etat_just[assi_metric]
+        return retour
+
+
+def etuds_sorted_from_ids(etudids) -> list[Identite]:
+    "Liste triée d'etuds à partir d'une collections d'etudids"
+    etuds = [Identite.get_etud(etudid) for etudid in etudids]
+    return sorted(etuds, key=lambda etud: etud.sort_key)
diff --git a/app/templates/assiduites/pages/visu_assi.j2 b/app/templates/assiduites/pages/visu_assi.j2
new file mode 100644
index 00000000..250c884e
--- /dev/null
+++ b/app/templates/assiduites/pages/visu_assi.j2
@@ -0,0 +1,29 @@
+<h2>Visualisation de l'assiduité {{gr_tit|safe}}</h2>
+
+<div class="stats-inputs">
+    <label class="stats-label"> Date de début<input type="date" name="stats_date_debut" id="stats_date_debut"
+            value="{{date_debut}}"></label>
+    <label class="stats-label"> Date de fin<input type="date" name="stats_date_fin" id="stats_date_fin"
+            value="{{date_fin}}"></label>
+    <button onclick="stats()">Changer la période</button>
+</div>
+
+{{tableau | safe}}
+
+<script>
+    const date_debut = "{{date_debut}}"
+    const date_fin = "{{date_fin}}"
+    const group_ids = "{{group_ids}}"
+
+    function stats() {
+        const deb = document.querySelector('#stats_date_debut').value
+        const fin = document.querySelector('#stats_date_fin').value
+        location.href = `VisualisationAssiduitesGroupe?group_ids=${group_ids}&date_debut=${deb}&date_fin=${fin}`
+    }
+
+    window.addEventListener('load', () => {
+        document.querySelector('#stats_date_debut').value = date_debut;
+        document.querySelector('#stats_date_fin').value = date_fin;
+    })
+
+</script>
\ No newline at end of file
diff --git a/app/views/assiduites.py b/app/views/assiduites.py
index b78954eb..d467879d 100644
--- a/app/views/assiduites.py
+++ b/app/views/assiduites.py
@@ -26,6 +26,8 @@ from flask_login import current_user
 from app.scodoc import sco_utils as scu
 from app.scodoc import sco_assiduites as scass
 
+from app.tables.visu_assiduites import TableAssi, etuds_sorted_from_ids
+
 
 CSSSTYLES = html_sco_header.BOOTSTRAP_MULTISELECT_CSS
 
@@ -639,6 +641,60 @@ def get_etat_abs_date():
     ).build()
 
 
+@bp.route("/VisualisationAssiduitesGroupe")
+@scodoc
+@permission_required(Permission.ScoView)
+def visu_assi_group():
+    dates = {
+        "debut": request.args.get("date_debut"),
+        "fin": request.args.get("date_fin"),
+    }
+
+    group_ids: list[int] = request.args.get("group_ids", None)
+    etudiants: list[dict] = []
+
+    if group_ids is None:
+        group_ids = []
+    else:
+        group_ids = group_ids.split(",")
+        map(str, group_ids)
+
+    groups_infos = sco_groups_view.DisplayedGroupsInfos(group_ids)
+
+    etuds = etuds_sorted_from_ids([m["etudid"] for m in groups_infos.members])
+
+    header: str = html_sco_header.sco_header(
+        page_title="Visualisation des assiduités",
+        init_qtip=True,
+    )
+
+    table: TableAssi = TableAssi(etuds=etuds, dates=list(dates.values()))
+
+    if groups_infos.tous_les_etuds_du_sem:
+        gr_tit = "en"
+    else:
+        if len(groups_infos.group_ids) > 1:
+            grp = "des groupes"
+        else:
+            grp = "du groupe"
+        gr_tit = (
+            grp + ' <span class="fontred">' + groups_infos.groups_titles + "</span>"
+        )
+
+    return HTMLBuilder(
+        header,
+        render_template(
+            "assiduites/pages/visu_assi.j2",
+            tableau=table.html(),
+            gr_tit=gr_tit,
+            date_debut=dates["debut"],
+            date_fin=dates["fin"],
+            group_ids=request.args.get("group_ids", None),
+        ),
+        html_sco_header.sco_footer(),
+    ).build()
+
+
 @bp.route("/SignalAssiduiteDifferee")
 @scodoc
 @permission_required(Permission.ScoAssiduiteChange)