Endicott Arm cruise port guide

Endicott Arm — United States.

Endicott Arm is a narrow, fjord-like inlet in the Tracy Arm-Fords Terror Wilderness area of Southeast Alaska, carved by glacier action over hundreds of thousands of years and now navigated — over approximately 30 miles from the entrance to the tidewater terminus — to reach Dawes Glacier, a still-active tidewater glacier that calves directly into the cold water at the fjord's head. Unlike Tracy Arm (the better-known neighbour inlet visible on most Alaska cruise itineraries), Endicott Arm sees fewer ships and has a more intimate quality; the ratio of ship size to surrounding scale is more confronting here, and the stillness of the fjord — when engines are reduced and the ship moves quietly between granite walls — is something passengers remember long after the cruise is over. The approach is as important as the destination: the fjord walls rise abruptly from the water in great bare faces of grey and rust-coloured granite, polished smooth by the glacier that once filled this valley, then streaked with waterfalls that appear and disappear with the rainfall. The water itself changes character as the ship advances — from the dark green of Stephens Passage to a milky blue-grey as glacial meltwater mixes with the inlet water, then a chaotic scatter of blue-white ice — bergy bits and growlers — that the ship nudges through as it approaches Dawes Glacier.

Don't miss

• The approach through the floating ice — As the ship advances into the upper reaches of Endicott Arm, the water surface fills with ice of every scale: growlers (ice pieces just barely above the waterline, often translucent blue-green), bergy bits the size of cars, and occasional small to medium icebergs that broke from Dawes Glacier and drifted down the fjord. The colours of the ice — the distinctive electric blue of compressed glacial ice, the white of newer surface snow, the aquamarine of submerged sections visible through the clear water — are one of the most extraordinary visual experiences of Alaska cruising. Watch from the bow or the forward deck as the ship's hull displaces the ice; the grinding and knocking sounds carry up through the decks. Be on deck well before the ship reaches the glacier terminus — the ice builds gradually over the final miles and the approach is as visually compelling as the glacier itself.
• Dawes Glacier and calving — The glacier face at the head of Endicott Arm is variously reported at about 200–600 feet (60–180 metres) above the waterline, with an unknown depth below, and calves actively into the fjord water. Calving events range from small collapses of serac ice (car-to-house-sized pieces breaking from the face with a sound like a rifle shot or a low rumble, followed by a splash and the rise of a small wave) to occasional large calvings that send significant chunks of ice crashing into the water and produce swells perceptible on the ship. Ships typically hold position near the glacier terminus for 30–60 minutes to allow sustained observation and photography. Watch the glacier face constantly — calving is unpredictable and the events happen without warning. The deep blue colour visible in crevasses and freshly calved ice surfaces is caused by the extreme compression of ancient ice, which has expelled nearly all air bubbles and absorbs the red wavelengths of light.
• The granite walls and hanging glaciers — Endicott Arm's fjord walls are granitic rock (mostly tonalite and granodiorite) of the Coast Mountains along the Alaska–Canada border, formed tens of millions of years ago in the Late Cretaceous to Paleocene, polished and striated by the glacier that formerly filled the entire valley. The walls rise abruptly from the water — in places vertically — to heights of 3,000 feet (900 metres) or more. Hanging glaciers — smaller ice masses that cling to ledges and couloirs in the upper cliff faces, too small and disconnected to reach the fjord — are visible in multiple locations as the ship advances. Waterfalls cascade from hanging valleys carved by the main glacier, sometimes falling free for hundreds of feet before hitting the rock below. The scale is most apparent when a feature — a large tree growing from a crack in the granite wall, a waterfall — provides a reference point; without context, the brain struggles to register the vertical scale.
• Wildlife in the fjord — The rich cold water of Endicott Arm supports significant marine wildlife that is frequently seen from the ship's decks during the transit. Harbour seals (Phoca vitulina) haul out on ice floes throughout the fjord, lounging on the floating ice with a studied indifference to the passing ship — the ice provides protection from orcas that cannot navigate the ice field effectively. Groups of 5–20 seals are commonly seen close to the glacier terminus. Steller sea lions are less common but present. Bald eagles perch in the few dead spruce trees that cling to the rock ledges. Occasionally, humpback whales are seen in the fjord entrance and in the lower reaches of the inlet. Mountain goats can sometimes be spotted on the near-vertical granite walls with binoculars.
• The light and the silence — Photographers and landscape-oriented passengers should be aware that the light in Endicott Arm changes constantly and often dramatically. Overcast conditions — the norm in Southeast Alaska — produce a soft, diffuse light that saturates the blue-grey tones of the granite and ice without harsh shadows; this is often the most beautiful light for photography. When sun breaks through the overcast, the ice turns electric blue and the water reflects the colour of the sky. The silence, when the ship reduces speed in the upper fjord, is an experience in itself: the creak and boom of ice, the distant crash of a calving event, the cry of a gull, and the almost total absence of human noise create an atmosphere of genuine wilderness remoteness that is increasingly rare in modern travel.

Planning your day

The entire day in Endicott Arm is spent at sea — there is no port call and passengers remain aboard. Position yourself for the best experience: the forward decks (bow area if accessible) and the upper open decks offer the widest and most unobstructed forward views as the ship advances into the fjord. Port-side and starboard views alternate in importance as the fjord bends; local crew or the ship's naturalist will typically advise which side to watch at key moments. Be on deck before the ship enters the ice field — usually announced 45–60 minutes before the glacier terminus — and plan to stay for the full glacier viewing period at the terminus (30–60 minutes). Dress in full layers before going out: the cold air and wind chill in the upper fjord are significant even in July. Bring hot drinks from the buffet or café in an insulated container. The return transit is often different from the approach — the ice has moved, different light angles illuminate the fjord walls, and the seals may have redistributed on the floes. Many experienced Alaska cruisers consider the return transit equally worth watching. The ship's naturalist (if aboard) or the commentary via the PA system will add ecological and geological context that significantly enriches the experience.

Know before you go

• 🌤️Weather — Endicott Arm lies in the heart of the Southeast Alaska coastal rainforest climate zone — one of the wettest regions on earth, with the town of Juneau (about 80 miles north-west of Dawes Glacier) receiving over 1,500mm (60 inches) of precipitation annually. The fjord itself creates its own microclimate: clouds and fog frequently fill the upper reaches regardless of conditions at the fjord entrance, and rain is possible at any moment. However, the overcast light common in the fjord is often superior for photography compared to direct sun, and the mist and fog add to the atmosphere. Dress for wet, cool conditions: temperatures in the fjord typically range from 4–13°C (39–55°F) in summer, and the wind chill from the ship's motion and the cold air draining off the glacier can be significant. Waterproof outer layers and warm mid-layers are essential.
• 📶Connectivity — There is no mobile signal of any kind in Endicott Arm or the surrounding Tracy Arm-Fords Terror Wilderness. Coverage generally returns only as the ship nears Juneau or other towns. The ship will have satellite internet connectivity but standard mobile data plans do not function. Notify family and contacts that you will be off-grid during the fjord transit. This is part of the wilderness character of the experience — embrace it.
• 🔭Viewing equipment — Binoculars dramatically improve the Endicott Arm experience — the glacier face detail, calving events on the upper face, seals on distant ice floes, mountain goats on the rock walls and bald eagles in distant trees are all most rewarding with 8x or 10x optics. If you do not own binoculars, the ship's gift shop or the purser's desk may have loaner pairs. A camera with a longer zoom (200mm equivalent or better) is worthwhile for wildlife and glacier face detail.
• ⏱️Timing the transit — The fjord transit typically takes 3–5 hours from the fjord entrance at Holkham Bay to Dawes Glacier and back. The ship will announce over the PA system when the fjord approach begins and when significant events (approaching the ice field, nearing the glacier terminus) are occurring. Passengers who remain inside during the first hour of the approach often miss the gradual build of ice and the changing character of the water — the transition from open water to ice-strewn fjord is part of the experience.

Scenic cruising

Endicott Arm is a scenic cruising stretch: ships sail through rather than dock, so the views from the deck are the experience.

Sources: fs.usda.gov/tongass (USDA Forest Service — Tongass National Forest); alaskatravel.com/southeast-alaska/tracy-arm-endicott-arm; nps.gov/glba/learn/nature/glaciers.htm; travelalaska.com