from doorpost to trailpost
from doorpost to trailpost
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Click to expand — distances, times, and difficulty for all major trails
How times were calculated: Base time uses a standard backcountry pace formula (~30 min per mile + 30 min per 1,000 ft of elevation gain), cross-checked against typical reported hike durations. +Littles/Elderly adds ~50% for groups with young children, elderly hikers, or anyone needing frequent rest breaks and photo stops — this is a planning buffer, not a hard rule. Always build in extra margin for afternoon thunderstorms, wildlife jams (bears/moose slow everyone down), and Logan Pass parking delays. All distances are round-trip (RT) unless noted as one-way (OW).
🏔 Many Glacier Area (core GTT territory)
| Trail | Distance | Elev. Gain | Difficulty | Base Time | +Littles/Elderly |
| Swiftcurrent Lake Nature Trail | 2.6 mi loop | ~50 ft | Easy | 1–1.5 hrs | 1.5–2.25 hrs |
| Redrock Falls | 3.6 mi | ~300 ft | Easy | 1.5–2 hrs | 2.25–3 hrs |
| Grinnell Lake (via trail, no boat) | 6.8 mi | ~500 ft | Moderate | 3–4 hrs | 4.5–6 hrs |
| Iceberg Lake | 9.7 mi | 1,200 ft | Moderate | 5–6 hrs | 7.5–9 hrs |
| Grinnell Glacier Trail | 10.6 mi (7.2 mi w/ boat shuttle) | 1,600 ft | Hard | 6–7 hrs (4–5 w/ boat) | 9–10.5 hrs (6–7.5 w/ boat) |
| Ptarmigan Tunnel | 10.6 mi | 2,300 ft | Hard | 6–7 hrs | 9–10.5 hrs |
| Cracker Lake | 12.4 mi | 1,650 ft | Moderate–Hard | 6–7 hrs | 9–10.5 hrs |
| Swiftcurrent Pass to Swiftcurrent Lookout | 9.6 mi | 3,200 ft | Hard | 6–7 hrs | 9–10.5 hrs |
💡 Grinnell Glacier and Grinnell Lake times drop significantly if guests take the boat shuttle across Swiftcurrent Lake/Lake Josephine — worth flagging to guests planning a shorter day.
🌄 St. Mary / Going-to-the-Sun Road (east side)
| Trail | Distance | Elev. Gain | Difficulty | Base Time | +Littles/Elderly |
| Baring Falls (from Sun Point) | 0.9 mi | ~50 ft | Easy | 0.5–1 hr | 1–1.5 hrs |
| Sun Point Nature Trail | 1.4 mi | ~50 ft | Easy | 1 hr | 1.5 hrs |
| St. Mary & Virginia Falls | 3.6 mi | 285 ft | Easy–Moderate | 1.5–2 hrs | 2.25–3 hrs |
| Otokomi Lake | 5.6 mi | 1,900 ft | Moderate | 3–3.5 hrs | 4.5–5.25 hrs |
| Piegan Pass | 9 mi | 1,750 ft | Hard | 5–6 hrs | 7.5–9 hrs |
| Siyeh Pass (point to point, needs shuttle) | 10.3 mi OW | 2,240–3,440 ft | Hard | 6–7 hrs | 9–10.5 hrs |
🏔 Logan Pass
| Trail | Distance | Elev. Gain | Difficulty | Base Time | +Littles/Elderly |
| Hidden Lake Overlook | 2.7 mi | 460 ft | Moderate | 1.5–2 hrs | 2.25–3 hrs |
| Hidden Lake (all the way down to the lake) | 5.4 mi | 760 ft | Moderate | 3 hrs | 4.5 hrs |
| Highline Trail to Granite Park Chalet | 7.6 mi OW | 800 ft | Moderate | 4 hrs OW | 6 hrs OW |
| Highline Trail full traverse to The Loop | 11.8 mi point-to-point | 2,300 ft net loss overall | Hard | 7–8 hrs | 10.5–12 hrs |
| Grinnell Glacier Overlook (via Highline spur, RT from Logan Pass) | ~15 mi RT | ~2,500 ft (last 0.6–0.85 mi gains ~950–1,000 ft) | Hard | 8–8.5 hrs RT | Not recommended — steep, narrow, exposed spur; 12+ hrs if attempted with slower hikers |
⚠️ Highline Trail has narrow, exposed sections with steep drop-offs — not ideal for young kids or anyone uneasy with heights, regardless of time budget. The Grinnell Glacier Overlook spur is the steepest, most exposed short stretch in the park — worth flagging hard to guests before they commit. Most hikers spend 20–30 min at the overlook for photos/rest before heading back — add that on top of hiking times when estimating pickup timing.
🌲 Two Medicine (campground closed 2026 — trails still accessible via day-use)
| Trail | Distance | Elev. Gain | Difficulty | Base Time | +Littles/Elderly |
| Twin Falls (via boat shuttle) | 3.6 mi | ~200 ft | Easy | 1.5–2 hrs | 2.25–3 hrs |
| Twin Falls (full trail, no boat) | 6.8 mi | ~400 ft | Moderate | 3–3.5 hrs | 4.5–5.25 hrs |
| Scenic Point | 7.6 mi | 2,146 ft | Hard | 4–5 hrs | 6–7.5 hrs |
| Upper Two Medicine Lake | 10.4 mi | ~600 ft | Moderate | 5–6 hrs | 7.5–9 hrs |
| Cobalt Lake | 10.6 mi | 1,600 ft | Moderate–Hard | 6 hrs | 9 hrs |
🗺 Cut Bank
| Trail | Distance | Elev. Gain | Difficulty | Base Time | +Littles/Elderly |
| Triple Divide Pass | 19 mi | 2,900 ft | Hard | 10–11 hrs | Not recommended as a day hike with littles/elderly — consider backcountry permit/overnight instead |
🌿 Apgar / Lake McDonald (west side — outside core GTT territory, included for reference)
| Trail | Distance | Elev. Gain | Difficulty | Base Time | +Littles/Elderly |
| Trail of the Cedars ♿ | 0.9 mi loop | ~50 ft | Easy (wheelchair accessible) | 0.5 hr | 0.75–1 hr |
| Johns Lake Loop | 2.1 mi | ~200 ft | Easy | 1–1.5 hrs | 1.5–2.25 hrs |
| Avalanche Lake | 5.9 mi | 757 ft | Moderate | 3 hrs | 4.5 hrs |
| Fish Lake | 5 mi | ~600 ft | Moderate | 2.5–3 hrs | 4–4.5 hrs |
| Apgar Lookout | 7.1 mi | 1,906 ft | Hard | 4–5 hrs | 6–7.5 hrs |
| Sperry Chalet Trail | 12 mi | 3,400 ft | Hard | 7–8 hrs | 10.5–12 hrs |
🌲 North Fork (Bowman/Kintla/Polebridge — remote, minimal cell service)
| Trail | Distance | Elev. Gain | Difficulty | Base Time | +Littles/Elderly |
| Bowman Lake Trail (to head of lake) | 12.6 mi | ~400 ft | Moderate | 6 hrs | 9 hrs |
| Numa Ridge Lookout | 11.4 mi | 2,930 ft | Hard | 7 hrs | 10.5 hrs |
| Kintla Lake to first backcountry camp | 12 mi | ~350 ft | Moderate | 6 hrs | 9 hrs |