How difficult is hiking Mount Flume?

Mount Flume is rated Very Difficult difficulty.

How long does it take to hike Mount Flume?

Typically, hiking Mount Flume takes 5–7 hours.

Mount Flume

Q: What are the main hiking routes to Mount Flume?

The main routes to Mount Flume include Flume Slide Trail → Liberty Spring Trail → Franconia Ridge - loop with Mount Liberty., Liberty Spring Trail - direct out‑and‑back via summit spur..

Long approach on old road, then extremely steep and loose rock slabs on Flume Slide; Liberty Spring route is more gradual but rocky

Prominence: 408 ft Range: Franconia Range

Units

Elevation: 4,328 ft

Mount Flume - Captured on March 12, 2023, this landscape photograph showcases Mount Flume's distinct ridge with lingering snow patches amid the alpine zone. The scene is bathed in bright afternoon light, emphasizing the rugged granite ledges and dense forest cover typical of the White Mountains in New Hampshire's White Mountain National Forest. The distant mountain ranges stretch under a cloudless sky, inviting hikers to explore this serene mountain weather. - NH48 — Captured on March 12, 2023, this landscape photograph showcases Mount Flume's distinct ridge with lingering snow patches amid the alpine zone. The scene is bathed in bright afternoon light, emphasizing the rugged granite ledges and dense forest cover typical of the White Mountains in New Hampshire's White Mountain National Forest. The distant mountain ranges stretch under a cloudless sky, inviting hikers to explore this serene mountain weather.

Overview

Long approach on old road, then extremely steep and loose rock slabs on Flume Slide; Liberty Spring route is more gradual but rocky

Standard Routes

Flume Slide Trail → Liberty Spring Trail → Franconia Ridge - loop with Mount Liberty. — 10.1 mi • 3500 ft gain • Loop • Very difficult
Liberty Spring Trail - direct out‑and‑back via summit spur. — 7.8 mi • 3300 ft gain • Out & back • Difficult

Monthly Weather Averages

Climate context

Monthly climatology baseline near this summit elevation.

Mountain conditions advisory

Mount Flume: moderate exposure today. Estimated wind 15 mph. Check summit forecast before departure.

Expires: 2026-02-14T23:59:59-05:00

Check higher summits forecast

Related Trails & Routes

Summit Spur route

Parking & Access

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Difficulty Metrics

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Risk & Preparation

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Wilderness Safety

Data TBD for this route.

Trail & Terrain

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Conditions & Access

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Photo gallery

Mount Flume - Captured on July 4, 2025, this landscape photograph showcases Mount Flume's distinctive granite ledges and forested slopes illuminated by the golden hues of a summer sunset. The White Mountains' alpine zone is visible, with mountain weather conditions showing partly cloudy skies and calm air. This scene reflects the serene hiking environment and natural beauty of White Mountain National Forest in New Hampshire. - NH48 — Sunset Glow on Mount Flume's Alpine Slopes
`Canon EOS 5DS R | 150-600mm F5-6.3 DG OS HSM | Contemporary 015 | f/6.3 | 1/1000 sec | ISO 800`

Mount Flume - This late winter scene of Mount Flume highlights the mountain's rugged contours and frost-covered ridges in the White Mountains of New Hampshire. The afternoon sun casts gentle shadows across the alpine zone, revealing the textured granite ledges and the expansive forested slopes below. Ideal for hiking enthusiasts and landscape photographers, this image reflects the crisp mountain weather typical of White Mountain National Forest in early February. - NH48 — Winter Light on Mount Flume's Frosted Summit
`Canon EOS 5DS R | EF70-300mm f/4-5.6 IS USM | f/5.6 | 1/320 sec | ISO 200`

Trail-tested notes

Experience summary

I built this guide around field photography sessions on Mount Flume in Franconia Range. Mount Flume is a 4,328-foot mountain in the Franconia Range of the White Mountains, lying at the southern end of Franconia Ridge in Grafton County, New Hampshire.

Conditions from experience

Late spring through fall - Flume Slide Trail is extremely slick when wet or icy; not recommended in winter. High - exposed ledges and open summit.

Planning tip

Flume Slide Trail → Liberty Spring Trail → Franconia Ridge - loop with Mount Liberty. - 10.1 - 3500 - Very difficult - Loop Yes – lower Flume Slide Trail follows a brook and Liberty Spring has water; none on the summit ridge Large parking area at Flume Visitor Center; hikers use far end of lot

Last reviewed: 2026-02-14