Cell towers in Crolles
Crolles has 216 known cell sites. The densest carrier is Free Mobile with 65.
Nearest sites
| Operator | Generation | Distance | Bearing | Source |
|---|---|---|---|---|
| Orange | LTE · 3 sectors | 435 m | 253° W | Verified |
| Orange | LTE · 3 sectors | 435 m | 253° W | Verified |
| Free Mobile | LTE · 3 sectors | 435 m | 253° W | Verified |
| Free Mobile | LTE · 3 sectors | 435 m | 253° W | Verified |
| Free Mobile | LTE · 3 sectors | 435 m | 253° W | Verified |
| Free Mobile | LTE · 3 sectors | 435 m | 253° W | Verified |
| Free Mobile | LTE · 3 sectors | 435 m | 253° W | Verified |
| Free Mobile | NR · 3 sectors | 435 m | 253° W | Verified |
| Free Mobile | NR · 3 sectors | 435 m | 253° W | Verified |
| Orange | NR · 3 sectors | 435 m | 253° W | Verified |
Map
Carrier breakdown
| Operator | Sites | Share |
|---|---|---|
| Free Mobile | 65 | 30.1% |
| Bouygues Telecom | 53 | 24.5% |
| Orange | 51 | 23.6% |
| SFR | 47 | 21.8% |
This page lists the known cell sites in Crolles in Auvergne-Rhône-Alpes, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.
Density here is about 3.5 sites per km², below the national average for this type of area (4.7/km²).
Altogether these sites report 509 sectors, averaging about 2.4 sectors per site.
90.3% of these sites report more than one sector, pointing to multi-directional antennas rather than omnidirectional coverage.
The largest gap between neighbouring sites is about 0 m — worth knowing if you're hunting for signal nearby.
19.4% of known sites report 5G, above the national figure of 16.2%.
All 216 known sites here come from a regulator-verified source (ANFR).
The most common frequency bands here are 900, 2100, 700 MHz, out of 7 distinct bands reported in total.
The nearest known site to the centre of Crolles is 435 m away, run by Orange.
4 operators are known here. Ranked by site count: Free Mobile (65, 30.1%), Bouygues Telecom (53, 24.5%), Orange (51, 23.6%), SFR (47, 21.8%).
Free Mobile leads with 30.1% of known sites, 5.6 percentage points ahead of second-placed Bouygues Telecom.
By network generation: 64.8% 4G LTE, 19.4% 5G, 8.8% 3G UMTS, 6.9% 2G GSM.
84.3% of sites here run LTE (4G) or newer technology.
ANFR's data here was last refreshed in September 2026.
Frequently asked questions
- How many cell towers are in Crolles?
- 216 known cell sites are mapped in Crolles, from ANFR's verified data.
- Which carrier has the most sites in Crolles?
- Free Mobile, with 65 sites (30.1% of the known total).
- Is there 5G in Crolles?
- 19.4% of known sites in Crolles report 5G, based on the latest observations.
- Are these positions accurate?
- Largely, yes — these come from ANFR's own regulator survey, not a community estimate, though positions can still lag real-world changes until the next update. See /data-sources for the source and licence per country.
Nearest known site is close — a booster may help
A signal booster amplifies an existing signal; it can't create one from nothing. With a known site this close, one of these is worth considering.
weBoost
Home and vehicle cell signal boosters, carrier-agnostic.
See productSureCall
Signal boosters sized by square footage, DIY install.
See productCel-Fi
Carrier-specific boosters, higher gain for a single network.
See product
Nearby places
- Cell towers in Bernin (1.5 km)
- Cell towers in Saint-Hilaire (2.6 km)
- Cell towers in Froges (3.4 km)
- Cell towers in Saint-Nazaire-les-Eymes (3.7 km)
- Cell towers in Lumbin (4.6 km)
- Cell towers in Saint-Ismier (4.7 km)
- Cell towers in Villard-Bonnot (4.8 km)
- Cell towers in Le Champ-pres-Froges (4.8 km)
- Cell towers in Laval-en-Belledonne (5.1 km)
- Cell towers in La Terrasse (6.2 km)
- Cell towers in Le Versoud (6.5 km)
- Cell towers in Tencin (7.3 km)
- Cell towers in Biviers (7.9 km)
- Cell towers in Le Sappey-en-Chartreuse (8.3 km)
- Cell towers in Montbonnot-Saint-Martin (8.3 km)
- Cell towers in Domene (9 km)
- Cell towers in Theys (9.8 km)
- Cell towers in Revel (10.1 km)
- Cell towers in Le Touvet (10.8 km)
- Cell towers in Goncelin (10.9 km)
- Cell towers in Meylan (10.9 km)
- Cell towers in Corenc (11 km)
- Cell towers in Saint-Vincent-de-Mercuze (12.1 km)
- Cell towers in Gieres (12.9 km)
Data source: ANFR — Licence Ouverte 2.0. See all sources.