Reykjavík: Volcano Hike, Visit Grindavík and Blue Lagoon

The best part of this day is the sharp contrast between fresh volcanic ground and the soft comfort of the Blue Lagoon. You hike across lava shaped by recent eruptions, see how Grindavík has been affected by shifting earth, then spend the final hours in warm, mineral-rich water.

I like the well-rounded route: Seltún gives you bubbling mud and steam, Fagradalsfjall brings the main physical challenge, and the lagoon provides a proper finish. I also like having an English-speaking guide to explain the geology and local life rather than simply dropping you at photo stops. The drawback is the length. At nine hours, with several stops and a 5.5-kilometer hike, this can feel like too much sightseeing before you even reach the spa.

Key points

• Fagradalsfjall is the physical centerpiece: The 5.5-kilometer hike takes about 45 minutes to reach the lava viewing area and is rated moderate to difficult.
• Seltún gives you quick access to Iceland’s geothermal forces: Expect steaming vents, bubbling mud, and strong mineral colors.
• Grindavík adds a human story: You’ll see a village shaped by lava flows, rifts, and efforts to redirect molten rock.
• The Blue Lagoon package is practical: Comfort admission includes a silica mud mask, one drink, and a towel.
• The day requires real preparation: Hiking shoes, warm layers, waterproof clothing, gloves, water, and a packed lunch matter.
• The $271 price buys a full day, not just transport: It is best value if you want the guide, volcanic stops, and Blue Lagoon visit together.

Seltún: a close look at Iceland’s restless earth

The tour begins at Reykjavík’s central BSI Bus Station. You need to arrive 15 minutes before departure, and hotel pickup is not included, so allow time to reach the station on your own.

From Reykjavík, the bus heads into the Reykjanes Geopark, a UNESCO-listed area known for volcanic and geothermal activity. The drive itself helps set the scene: this is not a polished countryside tour. You are heading toward a peninsula where steam, lava, tectonic cracks, and hot ground are part of everyday geography.

Seltún is the first major stop. Bubbling mud pools and steaming vents make it an easy place to see geothermal heat at work without committing to a long walk. Mineral deposits give the ground strong colors, while the steam adds an unmistakable sense that the earth below is active.

I find Seltún useful because it gives you a simple introduction before the harder hike. You can see and smell geothermal activity at close range, then better understand how the peninsula was formed. It is also a good photography stop, though the weather can change quickly and the ground near geothermal features needs care.

The main limitation is time. This tour includes several volcanic points, and Seltún is one of the shorter visits rather than a full afternoon exploring the area. If your main goal is a long hike, you may find the early stops slow the day down. If you want several different views of Reykjanes, they make the later sights easier to appreciate.

Fagradalsfjall: the day’s demanding but rewarding walk

The Fagradalsfjall section is the reason to bring proper hiking gear. The route covers about 5.5 kilometers, with roughly 45 minutes of walking to reach the lava viewing area. It is described as moderate to difficult, and that rating should be taken seriously.

You do not need to be an expert hiker, but you should be in good physical shape. The trail can feel substantial if you are not used to walking over uneven volcanic ground. Hiking shoes are essential, and hiking poles are highly recommended. During winter, crampons are also recommended.

At the end of the walk, you can look across fresh lava fields created by recent eruptions. The appeal is not simply seeing black rock. You are seeing a new part of Iceland being formed, with lava flows that have altered the shape of the peninsula in recent years.

The view is stark and powerful. There are no old ruins or grand buildings here. The attraction is the evidence of nature working in the present tense. Fresh lava fields show how quickly Iceland can change, and your guide can connect what you see with the geothermal and tectonic forces beneath the peninsula.

Weather will affect this part of the day more than any other. Bring a waterproof jacket, thermal clothing, a hat, gloves, warm socks, and a scarf. Water is also important, and the tour specifically advises bringing a packed lunch. Shorts are not allowed, which is sensible given the conditions and terrain.

One point worth noting is that the group may not continue as far as the most ambitious hikers would like. The final stretch can take extra time, especially with a larger group. You should see the tour as a guided volcanic hike rather than a full-day independent trek. The advantage is that the guide keeps the group together and adds context. The tradeoff is less freedom to set your own pace.

Grindavík and the human side of volcanic activity

Grindavík changes the focus from geology to community. The village has been shaped by lava flows and tectonic rifts, and the stop helps you understand that volcanic activity is not just a dramatic backdrop for photographs. It affects where people live, how roads are planned, and how communities respond to danger.

You’ll learn how residents redirected lava flows. That detail gives this stop its strongest human interest. It shows practical problem-solving in a place where the ground itself can shift and erupt. The nearby rifts also make the clash between tectonic plates easier to picture.

This is a valuable pause after the hike. You have already seen the forces from a distance at Seltún and Fagradalsfjall. In Grindavík, you can think about what those forces mean for homes, roads, and daily life.

The amount of time here may not suit everyone. One person found the tour spent too long at additional stops and felt the day could have been shortened to one geothermal visit and one volcano visit before going directly to the lagoon. That is a fair concern. If you want the fastest route to the Blue Lagoon, this is not it. If you care about the people living in an active volcanic region, Grindavík adds something a direct transfer would miss.

The Blue Lagoon: a warm finish after a cold hike

The Blue Lagoon comes at the end, which is the right order. After a long walk in Icelandic weather, warm geothermal water feels far better than it would at the start of the day.

Comfort admission includes access to the lagoon, a silica mud mask, one drink at the lagoon bar, and a towel. The water is mineral-rich and milky blue, with rugged lava fields around the bathing area. The setting links the spa back to the volcanic character of the peninsula, even as the experience becomes much more relaxed.

The silica mask is a small but useful extra. Your drink is also included, so you do not have to pay separately for that part of the visit. Towels are provided, which saves you from carrying one during the hike.

The Blue Lagoon is the tour’s biggest value question. A July booking was described as very good but expensive, with the lagoon itself seen as overpriced. At $271 per person, you are paying for more than admission. The price also covers the bus, Wi-Fi, guide, volcanic stops, and the combined use of your sightseeing day and spa visit.

That package makes sense if you already plan to visit the Blue Lagoon and want a guided Reykjanes excursion. Combining both saves you from making a separate trip out to the peninsula. It makes less sense if you only want to hike, or if you would rather arrange a simple transfer and spend longer at the spa.

You should also remember that food is not included. Bring a packed lunch and water, especially since the hike comes before the lagoon. Food and extra drinks are your responsibility.

Why the guide matters on this route

The English-speaking guide is central to the experience. The stops are visually strong, but without explanation, Seltún can become a quick photo stop, the lava fields can look like black rock, and Grindavík can seem like a brief roadside visit.

A good guide connects the sites: geothermal heat at Seltún, recent eruptions at Fagradalsfjall, tectonic rifts around Grindavík, and the mineral water at the lagoon. The guide also provides local insight into Icelandic culture and the effects of volcanic activity.

The available feedback includes praise for an experienced local guide who explained the road, Icelandic culture, and the day’s volcanic sites. That kind of commentary is exactly what adds value to a route that could otherwise be copied with a rental car and a map.

There is no guide name provided, so you should not book this expecting a specific individual. The language is English, and the experience depends on the guide assigned to your departure.

Nine hours on the road: what the timing means

Nine hours is a full day. The schedule combines bus travel, Seltún, the Fagradalsfjall hike, Grindavík, and the Blue Lagoon before returning to Reykjavík. You may not get back until after 9 p.m., depending on the departure time and the pace of the group.

That long day is part of the value. You see several sides of Reykjanes without renting a car, navigating changing roads, or planning separate admissions. Wi-Fi on the bus is a helpful extra, especially during transfers.

Still, you need to be honest about your energy. The hike comes before the spa, and the lagoon is not a magic reset button if you are already exhausted. One visitor considered the extra stops too long and wished for direct transport after the volcano. If you prefer a relaxed schedule, this could feel rushed or overfilled.

The best approach is to treat the day as a broad introduction to the peninsula. You are sampling its geothermal ground, recent lava, affected communities, and famous spa. You are not spending hours at each site.

Who will get the most from this tour?

This tour suits you if you want several major Reykjanes experiences in one day and prefer an English-speaking guide to handle the route. It is especially good for first-time visitors who want to combine outdoor activity with a classic Icelandic spa.

You should be comfortable walking 5.5 kilometers over volcanic ground. The tour is not suitable for children under eight or people with mobility impairments, and the moderate-to-difficult rating means you should not treat the hike as a casual stroll.

It also works well for couples, friends, or solo visitors who want a complete day without renting a car. The Blue Lagoon finish is particularly convenient if you were already planning to visit the spa.

You may want another option if your priorities are a short hike, a quiet spa day, or a flexible pace. A direct Blue Lagoon transfer would be simpler, while an independent excursion could give you more time at fewer stops. This guided tour earns its price through variety and explanation, not through a slow, luxurious schedule.

Practical preparation for the Reykjanes weather

Pack for a proper Icelandic outdoor day, even if the final hours are spent in a spa. Your basic kit should include:

• Warm and thermal clothing
• Hiking shoes
• Waterproof jacket
• Hat, gloves, scarf, and extra socks
• Water
• Packed lunch
• Hiking poles
• Crampons in winter

Do not wear shorts. Weather-appropriate clothing matters because the volcanic stops are exposed, and the walk can feel much harder in wind or rain.

The tour includes a bus and free Wi-Fi, but not hotel pickup or drop-off. Meet at BSI in central Reykjavík 15 minutes before the start. Full refunds are available if you cancel at least two days ahead, which gives you some flexibility when planning around Icelandic weather.

Should you book it?

Book this tour if you want volcanoes, Grindavík, and the Blue Lagoon in one long day. The strongest reasons are the recent lava at Fagradalsfjall, the guide’s explanation of Iceland’s active geology, and the easy transition from a demanding hike to warm water.

Think twice if you dislike group pacing or want a direct route to the lagoon. The extra geothermal and village stops add meaning, but they also make the day longer. At $271, the tour is worthwhile for someone who values transport, guidance, included lagoon extras, and a broad Reykjanes experience. It is less compelling for a fit hiker who wants only the trail or a spa visitor seeking the cheapest admission.

For the right person, this is a memorable Iceland day: active, weather-dependent, educational, and finished with a well-earned soak.

FAQ

Where does the tour begin?

The meeting point is the central BSI Bus Station in Reykjavík. You should arrive 15 minutes before the activity starts.

Is hotel pickup included?

No. Hotel pickup and drop-off are not included.

How difficult is the volcano hike?

The hike is rated moderate to difficult. It covers about 5.5 kilometers, with approximately 45 minutes of walking to reach the lava viewing area.

What should I bring for the hike?

Bring warm clothing, thermal layers, a waterproof jacket, hiking shoes, gloves, a hat, scarf, warm socks, water, and a packed lunch. Hiking poles are highly recommended, and crampons are recommended during winter.

What does Blue Lagoon Comfort admission include?

Comfort admission includes entry to the Blue Lagoon, a silica mud mask, one drink at the lagoon bar, and a towel.

Can I cancel for a full refund?

Yes. You can cancel up to two days in advance for a full refund.